World Scientist and University Rankings 2023

World Scientist and University Medical and Health Sciences / Occupational Medicine Rankings 2023

AD Scientific Index analyzes academic studies from 27 countries, 68 universities/institutions, and 95 scientists by using numerous criteria to present results to be used for the evaluation of productivity and efficiency by individuals and institutions. In addition to sorting by the “total H-index” you can find here, you can examine several rankings and analyses by the "last 6 years H-index", "total i10 index", "last 6 years' i10 index", "total number of citations", and “last 6 years’ citations”. Please read the methodology section for “Limitations and Possible Reasons Why a Scientist Is Not on This List”. Click for individual or institutional registration.

AD Scientific Index - World Scientist Rankings - 2023 H INDEX i10 INDEX CITATION
University / Institution Country Region World Name Country University / Institution Subject Total Last 6 year Last 6 year/total Total Last 6 year Last 6 year/total Total Last 6 year Last 6 year/total
9 59 2723 8272
Denmark Region Hovedstaden Region Hovedstaden Medical and Health Sciences / Occupational Medicine

Occupational and reproductive epidemiology |

94 56 0.596 404 298 0.738 32626 12533 0.384
4 893 6802 20498
Italy Università degli Studi di Parma Università degli Studi di Parma Medical and Health Sciences / Occupational Medicine

Toxicology | Occupational Medicine | Respiratory disorders |

73 35 0.479 269 121 0.450 17637 4860 0.276
46 1067 8104 24297
Italy Università degli Studi di Roma La Sapienza Università degli Studi di Roma La Sapienza Medical and Health Sciences / Occupational Medicine

Occupational Medicine | Epidemiology | Public Health |

69 49 0.710 348 235 0.675 19141 10138 0.530
59 1322 10148 30206
Italy Università di Bologna (Università degli Studi di Bologna) Università di Bologna (Università degli Studi di Bologna) Medical and Health Sciences / Occupational Medicine

Occupational and environmental health |

64 48 0.750 173 123 0.711 22095 16953 0.767
29 2824 10659 31547
United Kingdom University of Aberdeen University of Aberdeen Medical and Health Sciences / Occupational Medicine

environmental and occupational medicine | early origins of asthma | air pollution | occupational lung diseases |

63 29 0.460 188 58 0.309 25133 4476 0.178
20 2268 17396 50685
Italy Università degli Studi di Trieste Università degli Studi di Trieste Medical and Health Sciences / Occupational Medicine

Vibration-induced disorders | Ergonomic risk factors | Occupational cancer | Cutaneous toxicology | Nanotoxicology |

54 31 0.574 155 88 0.568 11276 3492 0.310
115 2951 22401 64498
Italy Università degli Studi di Napoli Federico II Università degli Studi di Napoli Federico II Medical and Health Sciences / Occupational Medicine

Occupational Medicine | Industrial Hygiene | Occupational Toxicology | Nanotoxicology | Medicina Occupazionale |

49 40 0.816 138 115 0.833 13082 9695 0.741
2 3211 25604 73231
Germany Leibniz-Institut für Arbeitsforschung an der TU Dortmund Leibniz-Institut für Arbeitsforschung an der TU Dortmund Medical and Health Sciences / Occupational Medicine

occupational medicine | urology | bladder cancer |

47 24 0.511 153 56 0.366 8480 2302 0.271
262 839 30360 85888
Belgium Catholic University of Leuven Catholic University of Leuven Medical and Health Sciences / Occupational Medicine

occupational medicine | environmental medicine | toxicology |

44 40 0.909 148 133 0.899 7659 6015 0.785
146 1294 30569 86524
Sweden University of Gothenburg University of Gothenburg Medical and Health Sciences / Occupational Medicine

occupational medicine | environmental medicine | epidemiology | PFAS | heat stress |

44 33 0.750 107 77 0.720 7019 3380 0.482

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8 416 10720 86809
Iran Shiraz University of Medical Sciences Shiraz University of Medical Sciences Medical and Health Sciences / Occupational Medicine

Ergonomics |

44 33 0.750 127 91 0.717 6803 3749 0.551
53 4205 30775 87077
Italy Università degli Studi di Brescia Università degli Studi di Brescia Medical and Health Sciences / Occupational Medicine

Occupational and Environmental Health | Neurotoxicology |

44 31 0.705 109 78 0.716 6602 2979 0.451
8 608 32626 91996
Greece Democritus University of Thrace Democritus University of Thrace Medical and Health Sciences / Occupational Medicine

Hygiene | Epidemiology | Occupational Medicine | Descriptive Epidemiology | Occupational Epidemiology |

43 22 0.512 122 64 0.525 6313 2230 0.353
93 336 557 92141
South Africa University of Cape Town University of Cape Town Medical and Health Sciences / Occupational Medicine

Occupational and environmental health |

43 26 0.605 95 62 0.653 6204 1880 0.303
220 645 34257 96400
Greece National and Kapodistrian University of Athens National and Kapodistrian University of Athens Medical and Health Sciences / Occupational Medicine

Occupational Medicine | Occupational Health | Health Promotion | Environmental Health | Risk assessment |

42 29 0.690 84 67 0.798 6598 3163 0.479
3 519 12397 97773
Taiwan National Health Research Institutes National Health Research Institutes Medical and Health Sciences / Occupational Medicine

Occupational Medicine |

42 22 0.524 138 67 0.486 5665 1902 0.336
138 4892 35033 98385
Italy Università degli Studi di Torino Università degli Studi di Torino Medical and Health Sciences / Occupational Medicine

Occupational Health | Industrial Toxicology | adverse effects of nanomaterials | human biomonitoring |

42 19 0.452 96 42 0.438 5106 1440 0.282
281 38101 42886 99611
United States University of Arizona University of Arizona Medical and Health Sciences / Occupational Medicine

occupational medicine | occupational lung disease | health services | workers compensation | respirators |

41 17 0.415 125 30 0.240 9442 1616 0.171
45 5415 38694 108406
Italy Università degli Studi di Trieste Università degli Studi di Trieste Medical and Health Sciences / Occupational Medicine

occupational medicine |

40 27 0.675 89 60 0.674 5670 2442 0.431
3 343 47585 132470
Poland Medical University of Silesia in Katowice Medical University of Silesia in Katowice Medical and Health Sciences / Occupational Medicine

tobacco smoke toxicology | e-cigarette | sulfonamides in the environmental |

36 24 0.667 62 48 0.774 7031 3767 0.536
330 7066 49658 137964
Italy Università degli Studi di Padova Università degli Studi di Padova Medical and Health Sciences / Occupational Medicine

Gene-environment interaction in cancer | Occupational cancinogenesis | Toxicology of PAHs | Biological aging |

36 21 0.583 66 38 0.576 3960 1632 0.412
94 7099 49803 138356
Italy Università degli Studi di Modena e Reggio Emilia Università degli Studi di Modena e Reggio Emilia Medical and Health Sciences / Occupational Medicine

Occupational medicine |

36 22 0.611 72 42 0.583 3783 1499 0.396
1692 50621 57132 140065
United States Harvard University Harvard University Medical and Health Sciences / Occupational Medicine

Occupational Medicine | Occupational and Environmental Health |

35 21 0.600 67 43 0.642 7467 2239 0.300
122 8421 59034 163276
Italy Università degli Studi di Catania Università degli Studi di Catania Medical and Health Sciences / Occupational Medicine

33 30 0.909 86 82 0.953 3742 3220 0.861
473 65833 74407 191512
United States University of Utah University of Utah Medical and Health Sciences / Occupational Medicine

platelet and megakaryocytic biology | translational science | occupational medicine |

30 21 0.700 43 28 0.651 4189 1803 0.430
173 1875 30973 205736
Iran Tehran University of Medical Sciences Tehran University of Medical Sciences Medical and Health Sciences / Occupational Medicine

Sleep Medicine | Occupational Medicine | Occupational Sleep Medicine |

29 24 0.828 70 52 0.743 3371 2406 0.714
159 1215 75875 208804
Austria Medizinische Universität Wien Medizinische Universität Wien Medical and Health Sciences / Occupational Medicine

Research interests: Public Health | Environmental Health | Occupational Medicine | Telehealth |

29 24 0.828 50 43 0.860 2873 1938 0.675
294 11466 80694 221841
Italy Università di Pisa (Università degli Studi di Pisa) Università di Pisa (Università degli Studi di Pisa) Medical and Health Sciences / Occupational Medicine

Occupational Medicine | molecoular biology |

28 20 0.714 51 39 0.765 2745 1525 0.556
51 3785 34868 225621
South Korea Yeungnam University Yeungnam University Medical and Health Sciences / Occupational Medicine

environmental medicine | occupational medicine |

28 16 0.571 46 23 0.500 2218 772 0.348
29 2435 37777 240967
Iran Hamedan University of Medical Sciences Hamedan University of Medical Sciences Medical and Health Sciences / Occupational Medicine

Analytical and bioanalytical chemistry | Air pollution exposure | Solid-phase microextraction | Volatile organic compounds |

27 19 0.704 69 47 0.681 2009 1281 0.638
84 2704 40588 255686
Iran Shiraz University of Medical Sciences Shiraz University of Medical Sciences Medical and Health Sciences / Occupational Medicine

occupational health | toxicology | occupational medicine |

26 19 0.731 49 34 0.694 2078 1046 0.503
2521 83581 94584 256375
United States Harvard University Harvard University Medical and Health Sciences / Occupational Medicine

occupational medicine |

26 11 0.423 51 12 0.235 1998 451 0.226
637 14758 105458 289484
Italy Università di Bologna (Università degli Studi di Bologna) Università di Bologna (Università degli Studi di Bologna) Medical and Health Sciences / Occupational Medicine

Occupational medicine | Musculoskeletal disorders |

24 17 0.708 44 26 0.591 1958 824 0.421
86 3065 106898 293375
Türkiye Dokuz Eylül University Dokuz Eylül University Medical and Health Sciences / Occupational Medicine

occupational health |

24 14 0.583 41 19 0.463 1663 602 0.362
210 5239 49686 301929
South Korea Hanyang University Hanyang University Medical and Health Sciences / Occupational Medicine

Occupational medicine | occupational epidemiology | psychosocial factor | mental health |

23 17 0.739 47 30 0.638 2431 1420 0.584
50 1505 3650 304662
South Africa University of the Western Cape University of the Western Cape Medical and Health Sciences / Occupational Medicine

Adolescent risk behaviour | resilience | youth development | leisure | health promotion |

23 20 0.870 40 31 0.775 2159 1114 0.516
94 3726 51600 310715
Iran Iran University of Medical Sciences Iran University of Medical Sciences Medical and Health Sciences / Occupational Medicine

Occupational health | hygiene | safety | HSE | Comunity Based Initiatives |

23 18 0.783 50 33 0.660 1753 886 0.505
360 4568 59766 350705
Iran Tehran University of Medical Sciences Tehran University of Medical Sciences Medical and Health Sciences / Occupational Medicine

Occupational Medicine | occupational toxicology |

21 19 0.905 40 26 0.650 1773 981 0.553
338 17643 129177 356253
Italy Università degli Studi di Milano Bicocca Università degli Studi di Milano Bicocca Medical and Health Sciences / Occupational Medicine

History of Medicine | Occupational Health |

21 16 0.762 36 30 0.833 1507 1160 0.770
10 4936 62817 363326
Iran Shahrood Medical Science University Shahrood Medical Science University Medical and Health Sciences / Occupational Medicine

Associate Professor | Occupational Medicine Specialist |

21 17 0.810 38 35 0.921 1127 963 0.854

 New. 2023 Country Top Lists: Top 10000, 5000, 3000, 2000, 1000. Only in AD Scientific Index

391 5023 63838 369480
Iran Tehran University of Medical Sciences Tehran University of Medical Sciences Medical and Health Sciences / Occupational Medicine

Occupational Medicine |

20 19 0.950 44 34 0.773 2202 1248 0.567
485 18514 137409 379560
Italy Università di Pisa (Università degli Studi di Pisa) Università di Pisa (Università degli Studi di Pisa) Medical and Health Sciences / Occupational Medicine

Occupational Medicine |

20 14 0.700 30 22 0.733 1478 748 0.506
622 5945 141387 390501
Sweden Karolinska Institute Karolinska Institute Medical and Health Sciences / Occupational Medicine

public health | occupational medicine | epidemiology |

20 15 0.750 27 23 0.852 973 625 0.642
69 71 141918 392396
Malta University of Malta University of Malta Medical and Health Sciences / Occupational Medicine

Menopause | Osteoporosis | Medical Education | Occupational medicine |

19 13 0.684 26 18 0.692 3506 1407 0.401
12 5626 69502 396085
Iran Urmia University of Medical Sciences Urmia University of Medical Sciences Medical and Health Sciences / Occupational Medicine

Occupational Medicine |

19 18 0.947 32 26 0.813 2124 1933 0.910
112 14157 143920 398604
Germany Otto Von Guericke Universität Magdeburg Otto Von Guericke Universität Magdeburg Medical and Health Sciences / Occupational Medicine

Arbeitsmedizin | Occupational Medicine |

19 15 0.789 39 24 0.615 1824 1194 0.655
91 123991 140136 405639
United States Feinstein Institute for Medical Research Feinstein Institute for Medical Research Medical and Health Sciences / Occupational Medicine

19 13 0.684 28 16 0.571 1425 476 0.334
18 27 152837 423906
North Macedonia Ss Cyril and Methodius University Skopje Ss Cyril and Methodius University Skopje Medical and Health Sciences / Occupational Medicine

occupational medicine | pulmology | public health | environmental and occupational health |

18 14 0.778 34 17 0.500 2327 1343 0.577
332 2863 81249 449705
Malaysia Universiti Sains Malaysia Universiti Sains Malaysia Medical and Health Sciences / Occupational Medicine

Job Stress | Infectious Diseases in Occupational Health | Leptospirosis |

18 16 0.889 36 28 0.778 917 631 0.688
115 2405 7266 454158
South Africa North West University North West University Medical and Health Sciences / Occupational Medicine

Occupational Hygiene | Dermal exposure | Biological monitoring |

17 12 0.706 19 14 0.737 3524 2339 0.664
247 15494 164814 458605
Spain Universitat Pompeu Fabra Universitat Pompeu Fabra Medical and Health Sciences / Occupational Medicine

musculoskeletal disorders | occupational medicine | work |

17 17 1.000 20 18 0.900 1799 1227 0.682
2 8313 86297 474325
South Korea Semyung University Semyung University Medical and Health Sciences / Occupational Medicine

Chemical engineering | Chemical safety | Process safety | Solution thermodynamics | Hazard analysis |

17 6 0.353 36 4 0.111 1056 171 0.162
760 7347 174027 484464
Sweden Karolinska Institute Karolinska Institute Medical and Health Sciences / Occupational Medicine

Occupational medicine | Common mental disorders | Evidence based practice |

17 15 0.882 24 19 0.792 833 571 0.685
154 22844 175639 488871
Italy Università degli Studi Gabriele d'Annunzio Chieti e Pescara Università degli Studi Gabriele d'Annunzio Chieti e Pescara Medical and Health Sciences / Occupational Medicine

autophagy |

16 16 1.000 19 19 1.000 12577 8157 0.649
476 2633 8307 493609
South Africa University of Cape Town University of Cape Town Medical and Health Sciences / Occupational Medicine

Work-family | Commitment | Occupational Health Psychology |

16 13 0.813 22 16 0.727 1765 761 0.431

January 1, 2022 Total 716.979 scientist, 212 country, 14.130 university... January 6, 2023 Total 1.264.669 scientist, 216 country, 19.528 university

549 23465 183184 511686
Italy Università degli Studi di Genova Università degli Studi di Genova Medical and Health Sciences / Occupational Medicine

occupational medicine |

16 13 0.813 18 16 0.889 946 859 0.908
315 17601 184256 514675
Germany Friedrich Alexander Universität Erlangen Nürnberg FAU Friedrich Alexander Universität Erlangen Nürnberg FAU Medical and Health Sciences / Occupational Medicine

molecular occupational medicine | toxicology |

16 10 0.625 23 12 0.522 892 441 0.494
4531 153651 173337 522117
United States Harvard University Harvard University Medical and Health Sciences / Occupational Medicine

Occupational and Environmental Medicine |

16 14 0.875 23 18 0.783 761 498 0.654
240 8811 97724 524318
Iran Iran University of Medical Sciences Iran University of Medical Sciences Medical and Health Sciences / Occupational Medicine

Neuropathic pain | Spinal Cord Injury | Memory | personalized pain medicine |

16 15 0.938 19 18 0.947 712 586 0.823
271 2575 9566 539216
Egypt Mansoura University Mansoura University Medical and Health Sciences / Occupational Medicine

Public health | Environmental and occupational medicine |

15 12 0.800 16 14 0.875 1159 667 0.575
50 2594 9655 542385
Egypt Suez Canal University Suez Canal University Medical and Health Sciences / Occupational Medicine

Occupational medicine | Research Methods | Epidemiology |

15 10 0.667 18 11 0.611 1052 493 0.469
606 9278 102623 548708
Iran Tehran University of Medical Sciences Tehran University of Medical Sciences Medical and Health Sciences / Occupational Medicine

Occupational Medicine |

15 12 0.800 17 15 0.882 910 475 0.522
258 9502 104433 556045
Iran Iran University of Medical Sciences Iran University of Medical Sciences Medical and Health Sciences / Occupational Medicine

Occupational medicine surveillance | work related musculoskeltal disorders |

15 10 0.667 20 13 0.650 790 351 0.444
56 10069 108006 569791
Iran Shahid Sadoughi University of Medical Sciences Shahid Sadoughi University of Medical Sciences Medical and Health Sciences / Occupational Medicine

Occupational Medicine |

15 10 0.667 17 11 0.647 549 350 0.638
20 236 10757 571831
Ethiopia University of Gondar University of Gondar Medical and Health Sciences / Occupational Medicine

Environmental Health | Occupational health |

14 14 1.000 17 17 1.000 2988 2979 0.997
390 3127 10960 583347
South Africa Stellenbosch University Stellenbosch University Medical and Health Sciences / Occupational Medicine

Occupational Therapy | Occupational Science | Supported Employment | Subsistence Entrepreneurship | Community Mobility |

14 12 0.857 18 15 0.833 1018 602 0.591
281 11023 116856 610301
Iran Isfahan University of Medical Sciences Isfahan University of Medical Sciences Medical and Health Sciences / Occupational Medicine

Occupational Medicine |

14 10 0.714 19 12 0.632 592 288 0.486
232 532 12084 613217
Kenya University of Nairobi University of Nairobi Medical and Health Sciences / Occupational Medicine

Occupational Health |

14 8 0.571 19 7 0.368 552 182 0.330
1639 25241 28863 633347
Australia University of Sydney University of Sydney Medical and Health Sciences / Occupational Medicine

Hypermobile Spectrum Disorder | Ehlers-Danlos Syndrome | Musculoskeletal Anatomy | Musician & Dancer Health | Occupational Medicine |

13 13 1.000 14 14 1.000 841 637 0.757
993 9522 227665 643647
Sweden Uppsala University Uppsala University Medical and Health Sciences / Occupational Medicine

Lung medicine and occupational medicine |

13 11 0.846 14 12 0.857 679 351 0.517
241 4840 124080 644071
Indonesia Universitas Indonesia Universitas Indonesia Medical and Health Sciences / Occupational Medicine

Occupational medicine | Industrial Toxicology |

13 11 0.846 18 15 0.833 673 535 0.795
616 3740 14389 685756
South Africa University of Cape Town University of Cape Town Medical and Health Sciences / Occupational Medicine

occupational science | occupational therapy | engaged scholarship | school improvement | mental wellbeing |

12 11 0.917 19 16 0.842 706 560 0.793
47 87 246812 700069
North Macedonia Ss Cyril and Methodius University Skopje Ss Cyril and Methodius University Skopje Medical and Health Sciences / Occupational Medicine

Occupational Medicine | Pulmology and Allegology |

12 10 0.833 12 10 0.833 542 367 0.677
258 4455 16438 739436
Egypt Tanta University Tanta University Medical and Health Sciences / Occupational Medicine

College of Medicine- Gynecology Department |

11 9 0.818 12 7 0.583 604 314 0.520
232 4132 16597 743860
South Africa North West University North West University Medical and Health Sciences / Occupational Medicine

11 10 0.909 11 11 1.000 551 394 0.715
931 14631 149756 754956
Iran Tehran University of Medical Sciences Tehran University of Medical Sciences Medical and Health Sciences / Occupational Medicine

occupational medicine |

11 9 0.818 12 9 0.750 452 310 0.686
37 101 17820 770251
Zimbabwe University of Zimbabwe University of Zimbabwe Medical and Health Sciences / Occupational Medicine

Infectious diseases and occupational medicine |

11 8 0.727 18 8 0.444 318 194 0.610
69 121 275258 784489
North Macedonia Ss Cyril and Methodius University Skopje Ss Cyril and Methodius University Skopje Medical and Health Sciences / Occupational Medicine

Occupational Medicine | Public Health | Environmental and Occupational Health |

10 8 0.800 11 7 0.636 704 400 0.568
700 4476 18789 800814
South Africa University of Cape Town University of Cape Town Medical and Health Sciences / Occupational Medicine

Occupational Medicine |

10 7 0.700 10 6 0.600 450 245 0.544
380 32383 163578 812223
China Southeast University Southeast University Medical and Health Sciences / Occupational Medicine

Occupational health and occupational medicine |

10 9 0.900 10 9 0.900 361 342 0.947
302 5360 19913 825816
Egypt National Research Center, Egypt National Research Center, Egypt Medical and Health Sciences / Occupational Medicine

Environmental and Occupational Medicine | Industrial Medicine and Toxicology |

10 8 0.800 10 6 0.600 262 185 0.706
562 15355 181999 879215
South Korea Samsung Electronics, South Korea Samsung Electronics, South Korea Medical and Health Sciences / Occupational Medicine

occupational medicine |

9 8 0.889 9 7 0.778 229 190 0.830
366 6190 23452 910024
Egypt Tanta University Tanta University Medical and Health Sciences / Occupational Medicine

Occupational Medicine-Environmental Medicine- Nutrition |

8 8 1.000 7 7 1.000 312 293 0.939
613 16388 196766 929299
South Korea Yonsei University Yonsei University Medical and Health Sciences / Occupational Medicine

occupational medicine | public health |

8 8 1.000 8 7 0.875 206 193 0.937
302 6765 26068 948960
Egypt Zagazig University Zagazig University Medical and Health Sciences / Occupational Medicine

Community | Environmental | occupational medicine |

7 7 1.000 7 7 1.000 462 451 0.976
1494 259671 290459 949967
United States University of Utah University of Utah Medical and Health Sciences / Occupational Medicine

Occupational Medicine | Musculoskeletal Medicine |

7 6 0.857 7 6 0.857 434 136 0.313
311 6926 26848 967444
Egypt Zagazig University Zagazig University Medical and Health Sciences / Occupational Medicine

occupational health | occupational psychology and substance abuse |

7 6 0.857 4 4 1.000 225 164 0.729
213 7005 27145 971023
Egypt Menoufia University Menoufia University Medical and Health Sciences / Occupational Medicine

Occupational medicine |

7 6 0.857 6 4 0.667 204 146 0.716
156 297 347994 1020862
North Macedonia Ss Cyril and Methodius University Skopje Ss Cyril and Methodius University Skopje Medical and Health Sciences / Occupational Medicine

Occupational medicine |

6 6 1.000 5 5 1.000 151 122 0.808
414 7941 31696 1023202
Egypt National Research Center, Egypt National Research Center, Egypt Medical and Health Sciences / Occupational Medicine

Environmental Health |

6 6 1.000 6 6 1.000 141 120 0.851

Institutional Subscription (Discount and Free Institutional Academic Performance Report)

375 8258 33560 1036751
Egypt Zagazig University Zagazig University Medical and Health Sciences / Occupational Medicine

occupational and environmental medicine | public health | epidemiology |

6 6 1.000 2 2 1.000 95 85 0.895
606 24299 249217 1063022
Iran Isfahan University of Medical Sciences Isfahan University of Medical Sciences Medical and Health Sciences / Occupational Medicine

preventive medicine | mental health | women health | health management | occupational medicine |

5 5 1.000 3 3 1.000 131 111 0.847
1355 24395 250052 1064622
Iran Tehran University of Medical Sciences Tehran University of Medical Sciences Medical and Health Sciences / Occupational Medicine

Occupational Medicine | Environmental Medicine | Occupational Health | Sleep Medicine |

5 5 1.000 4 2 0.500 123 68 0.553
330 9487 40624 1094464
Egypt Benha University Benha University Medical and Health Sciences / Occupational Medicine

occupational medicine |

4 2 0.500 4 2 0.500 589 38 0.065
72 1110 49148 1158580
Tanzania Muhimbili University of Health and Allied Sciences Muhimbili University of Health and Allied Sciences Medical and Health Sciences / Occupational Medicine

Occupational Medicine |

3 3 1.000 2 2 1.000 55 51 0.927