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The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Jan 07, 2026, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (0) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H Index Rankings
Rankings
11,809
World Rank
16
Country Rank
1
University
Ranking Based On Selection:
1
Medical and Health Sciences / General Surgery
Surgical Oncology | Colorectal Surgery | Hepatobiliary and Pancreatic Surgery | Global Surger
Surgical Oncology | Colorectal Surgery | Hepatobiliary and Pancreatic Surgery | Global Surger
H-Index Metrics
-
H-Index97
-
i10 Index250
-
Citation Counts150,163
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* Total H Index Rankings
Rankings
118,918
World Rank
95
Country Rank
9
University
Ranking Based On Selection:
2
Medical and Health Sciences / General Surgery
General Surgery | Emergency Surgery | Surgical Oncology | Minimally Invasive Surger
General Surgery | Emergency Surgery | Surgical Oncology | Minimally Invasive Surger
H-Index Metrics
-
H-Index45
-
i10 Index128
-
Citation Counts87,393
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* Total H Index Rankings
Rankings
236,995
World Rank
271
Country Rank
15
University
Ranking Based On Selection:
3
Medical and Health Sciences / General Surgery
general surgery | nanomedicine | surgical oncology | proteomic
general surgery | nanomedicine | surgical oncology | proteomic
H-Index Metrics
-
H-Index33
-
i10 Index83
-
Citation Counts4,880
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* Total H Index Rankings
Rankings
420,640
World Rank
689
Country Rank
13
University
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
451,769
World Rank
791
Country Rank
22
University
Ranking Based On Selection:
5
Medical and Health Sciences / General Surgery
Laparoscopic Surgery | Oncologic Surgery | Academy of Romanian Scientist
Laparoscopic Surgery | Oncologic Surgery | Academy of Romanian Scientist
H-Index Metrics
-
H-Index22
-
i10 Index58
-
Citation Counts1,870
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* Total H Index Rankings
Rankings
478,717
World Rank
869
Country Rank
1
University
Ranking Based On Selection:
6
Medical and Health Sciences / General Surgery
MIS Bariatric | Colorectal | Hernia Surgery. MIS Trainin
MIS Bariatric | Colorectal | Hernia Surgery. MIS Trainin
H-Index Metrics
-
H-Index21
-
i10 Index44
-
Citation Counts1,924
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* Total H Index Rankings
Rankings
523,660
World Rank
1,000
Country Rank
45
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
577,318
World Rank
1,169
Country Rank
31
University
Ranking Based On Selection:
8
* Total H Index Rankings
Rankings
609,528
World Rank
1,313
Country Rank
54
University
Ranking Based On Selection:
9
* Total H Index Rankings
Rankings
629,784
World Rank
1,394
Country Rank
25
University
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
653,644
World Rank
1,494
Country Rank
60
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
654,381
World Rank
1,501
Country Rank
61
University
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
710,437
World Rank
1,817
Country Rank
66
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
743,006
World Rank
2,001
Country Rank
61
University
Ranking Based On Selection:
14
Medical and Health Sciences / General Surgery
Colorectal Surgery | Experimental Surgery | Surgical Oncolog
Colorectal Surgery | Experimental Surgery | Surgical Oncolog
H-Index Metrics
-
H-Index14
-
i10 Index18
-
Citation Counts784
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* Total H Index Rankings
Rankings
745,386
World Rank
2,014
Country Rank
90
University
Ranking Based On Selection:
15
Medical and Health Sciences / General Surgery
general surgery | breast surgery | surgical oncology | digestive surgery | gynaecologic surger
general surgery | breast surgery | surgical oncology | digestive surgery | gynaecologic surger
H-Index Metrics
-
H-Index14
-
i10 Index17
-
Citation Counts480
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Premium Data
* Total H Index Rankings
Rankings
754,748
World Rank
2,065
Country Rank
113
University
Ranking Based On Selection:
16
Medical and Health Sciences / General Surgery
Laparoscopic Surgery | Breast Surgery | Colorectal Surgery | Endocrine Surgery | Surgical Oncolog
Laparoscopic Surgery | Breast Surgery | Colorectal Surgery | Endocrine Surgery | Surgical Oncolog
H-Index Metrics
-
H-Index14
-
i10 Index17
-
Citation Counts885
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Premium Data
* Total H Index Rankings
Rankings
793,420
World Rank
2,329
Country Rank
71
University
Ranking Based On Selection:
17
Medical and Health Sciences / General Surgery
Chirurgie generala | Chirurgie si Ginecologie Laparoscopica/Oncologic
Chirurgie generala | Chirurgie si Ginecologie Laparoscopica/Oncologic
H-Index Metrics
-
H-Index13
-
i10 Index19
-
Citation Counts1,163
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* Total H Index Rankings
Rankings
802,037
World Rank
2,372
Country Rank
113
University
Ranking Based On Selection:
18
Medical and Health Sciences / General Surgery
surgery | oncological surgery | hepatobiliopancreatic surgery | upper G
surgery | oncological surgery | hepatobiliopancreatic surgery | upper G
H-Index Metrics
-
H-Index13
-
i10 Index14
-
Citation Counts1,682
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Premium Data
* Total H Index Rankings
Rankings
807,338
World Rank
2,401
Country Rank
117
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
872,850
World Rank
2,880
Country Rank
70
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
888,176
World Rank
2,981
Country Rank
144
University
Ranking Based On Selection:
21
* Total H Index Rankings
Rankings
926,874
World Rank
3,332
Country Rank
162
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
949,430
World Rank
3,459
Country Rank
172
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
964,853
World Rank
3,582
Country Rank
143
University
Ranking Based On Selection:
24
* Total H Index Rankings
Rankings
974,234
World Rank
3,672
Country Rank
185
University
Ranking Based On Selection:
25
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