Total 2,392,995 scientists, country 221, and institutions 24,455 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
Gastroenterology
Hepatology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,030
595
0.578
* Total i10 IndexRankings
Ranking Based On Selection: 2
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
519
302
0.582
* Total i10 IndexRankings
Ranking Based On Selection: 3
Gastrointestinal cancer
clinical trials
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
308
158
0.513
* Total i10 IndexRankings
Ranking Based On Selection: 4
Gastroenterology
Hepatology
Microbiome
Health Service Innovation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
265
150
0.566
* Total i10 IndexRankings
Ranking Based On Selection: 5
hepatology
gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
247
136
0.551
* Total i10 IndexRankings
Ranking Based On Selection: 6
liver disease
iron
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
212
118
0.557
* Total i10 IndexRankings
Ranking Based On Selection: 7
Gastroenterology Inflammatory bowel diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
201
151
0.751
* Total i10 IndexRankings
Ranking Based On Selection: 8
Pancreas
Pancreatitis
Metabolism
Gastroenterology
Epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
191
162
0.848
* Total i10 IndexRankings
Ranking Based On Selection: 9
gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
170
85
0.500
* Total i10 IndexRankings
Ranking Based On Selection: 10
Gastroenterology
probiotics
animal models
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
159
97
0.610
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
* Total i10 IndexRankings
Ranking Based On Selection: 11
Barretts Oesophagus
Advanced Endoscopy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
154
120
0.779
* Total i10 IndexRankings
Ranking Based On Selection: 12
health psychology
gastro-psychology
inflammatory bowel disease
endometriosis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
125
103
0.824
* Total i10 IndexRankings
Ranking Based On Selection: 13
Gastroenterology
History of Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
123
33
0.268
* Total i10 IndexRankings
Ranking Based On Selection: 14
gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
122
70
0.574
* Total i10 IndexRankings
Ranking Based On Selection: 15
Gastroenterology
Gastrointestinal Oncology
Screening
Surveillance
Prevention
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
115
106
0.922
* Total i10 IndexRankings
Ranking Based On Selection: 16
Visceral Pain
Gut Brain Axis
Visceral hypersensitivity
Sensory Neurons
irritable bowel syndrome
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
104
87
0.837
* Total i10 IndexRankings
Ranking Based On Selection: 17
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
94
22
0.234
* Total i10 IndexRankings
Ranking Based On Selection: 18
gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
88
44
0.500
* Total i10 IndexRankings
Ranking Based On Selection: 19
garointestinal and smooth muscle physiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
88
44
0.500
* Total i10 IndexRankings
Ranking Based On Selection: 20
Hepatology
Gastroenterology
Immunology
Genetics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
87
55
0.632
* Total i10 IndexRankings
Ranking Based On Selection: 21
Psychogastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
83
77
0.928
* Total i10 IndexRankings
Ranking Based On Selection: 22
Colorectal cancer screening
gastroenterology
familial cancer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
21
0.333
* Total i10 IndexRankings
Ranking Based On Selection: 23
Gastrointestinal and lung cancers
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
48
0.774
* Total i10 IndexRankings
Ranking Based On Selection: 24
Nutrition and Gastroenterology of Companion Animals
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
39
0.639
* Total i10 IndexRankings
Ranking Based On Selection: 25
Hepatology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
25
0.463
Nicholas Talley
University of Newcastle
Callaghan, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,030
595
0.578
Gastroenterology
Hepatology
Michael Kamm
University of Melbourne
Melbourne, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
519
302
0.582
John Zalcberg
Monash University
Clayton, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
308
158
0.513
Gastrointestinal cancer
clinical trials
Gerald Holtmann
University of Queensland
St Lucia, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
265
150
0.566
Gastroenterology
Hepatology
Microbiome
Health Service Innovation
Stuart K Roberts
Monash University
Clayton, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
247
136
0.551
hepatology
gastroenterology
John Olynyk
Curtin University
Bentley, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
212
118
0.557
Rupert Leong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
201
151
0.751
Gastroenterology Inflammatory bowel diseases
Max Petrov
University of Auckland
Auckland, New Zealand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
191
162
0.848
Pancreas
Pancreatitis
Metabolism
Gastroenterology
Epidemiology
Robert Fraser
Flinders University
Adelaide, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
170
85
0.500
Gordon Howarth
University of Adelaide
Adelaide, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
159
97
0.610
Gastroenterology
probiotics
animal models
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
Krish Ragunath
Curtin University
Bentley, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
154
120
0.779
Barretts Oesophagus
Advanced Endoscopy
Antonina Mikocka Walus
Deakin University
Geelong, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
125
103
0.824
health psychology
gastro-psychology
inflammatory bowel disease
endometriosis
Neville Yeomans
Western Sydney University
Penrith, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
123
33
0.268
Gastroenterology
History of Medicine
Ian Cook
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
122
70
0.574
Alex Boussioutas
Peter Maccallum Cancer Centre
Melbourne, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
115
106
0.922
Gastroenterology
Gastrointestinal Oncology
Screening
Surveillance
Prevention
Stuart M Brierley
Flinders University
Adelaide, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
104
87
0.837
Visceral Pain
Gut Brain Axis
Visceral hypersensitivity
Sensory Neurons
irritable bowel syndrome
Ian Roberts Thomson
University of Adelaide
Adelaide, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
94
22
0.234
Peter Katelaris
University of Sydney
Sydney, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
88
44
0.500
Roger Lentle
Massey University
Palmerston North, New Zealand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
88
44
0.500
garointestinal and smooth muscle physiology
Golo Ahlenstiel
Western Sydney University
Penrith, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
87
55
0.632
Hepatology
Gastroenterology
Immunology
Genetics
Simon R Knowles
Swinburne University of Technology
Hawthorn, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
83
77
0.928
D James B St John
Cancer Council Victoria
Melbourne, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
21
0.333
Colorectal cancer screening
gastroenterology
familial cancer
Rachel Wong
Monash University
Clayton, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
48
0.774
Gastrointestinal and lung cancers
Nick Cave
Massey University
Palmerston North, New Zealand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
39
0.639
Nutrition and Gastroenterology of Companion Animals
PJ Clark
University of Queensland
St Lucia, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
25
0.463