Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :1
Viral hepatitis
liver cancer
Hepatology
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
54
0.885
* Total i10 IndexRankings
Ranking Based On Selection :2
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
28
0.609
* Total i10 IndexRankings
Ranking Based On Selection :3
Professor of Paediatrics/Gastroenterology & Hepatology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
28
0.718
* Total i10 IndexRankings
Ranking Based On Selection :4
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
26
0.788
* Total i10 IndexRankings
Ranking Based On Selection :5
Internal Medicine
Gastroenterology
Hepatology
Hepatitis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
23
0.719
* Total i10 IndexRankings
Ranking Based On Selection :6
Gastrointestinal Endoscopy
Gastroenterology
Hepatology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
15
0.600
* Total i10 IndexRankings
Ranking Based On Selection :7
gastroenterolgy
hepatology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
9
0.474
* Total i10 IndexRankings
Ranking Based On Selection :8
Internal medicine
Gastroenterology and Hepatology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
* Total i10 IndexRankings
Ranking Based On Selection :9
Gastroenterology
Endoscopy
Hepatology
Oncology
Cardiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
* Total i10 IndexRankings
Ranking Based On Selection :10
Gastroenterology
Family Medicine
Healthcare Finance
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
5
0.556
* Total i10 IndexRankings
Ranking Based On Selection :11
Gastroenterology
Hepatology
Gastrointestinal endoscopy
Dyspepsia
Hepatitis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
6
0.750
* Total i10 IndexRankings
Ranking Based On Selection :12
Gastroenterology and Gastrointestinal endoscopy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
* Total i10 IndexRankings
Ranking Based On Selection :13
gastroenterology and hepatology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
1
0.200
* Total i10 IndexRankings
Ranking Based On Selection :14
GASTROINTESTINAL TOXICOLOGY AND MORPHOLOGY
GUT-BRAIN-AXIS
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :15
Gastroenterology
Hepatology
general internal medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Olufunmilayo Lesi
University of Lagos
Lagos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
54
0.885
Viral hepatitis
liver cancer
Hepatology
Gastroenterology
Ajayi Akande Oladimeji
Ekiti State University Ado Ekiti
Ado-Ekiti, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
28
0.609
Christopher B. Eke
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
28
0.718
Professor of Paediatrics/Gastroenterology & Hepatology
Onyekwere Charles Asabamaka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
26
0.788
Abraham Orkurga Malu
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
23
0.719
Internal Medicine
Gastroenterology
Hepatology
Hepatitis
Adegboyega Akere
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
15
0.600
Gastrointestinal Endoscopy
Gastroenterology
Hepatology
Shettima K Mustapha
Ahmadu Bello University
Zaria, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
9
0.474
gastroenterolgy
hepatology
Okonkwo Uchenna.C.
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
Internal medicine
Gastroenterology and Hepatology
Casimir Omuemu
University of Benin
Benin City, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
Gastroenterology
Endoscopy
Hepatology
Oncology
Cardiology
Olusoji Solomon
Ekiti State University Ado Ekiti
Ado-Ekiti, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
5
0.556
Gastroenterology
Family Medicine
Healthcare Finance
Abiodun Jemilohun
Babcock University
Ilishan-Remo, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
6
0.750
Gastroenterology
Hepatology
Gastrointestinal endoscopy
Dyspepsia
Hepatitis
Oluwasegun Ijarotimi
Obafemi Awolowo University
Ile-Ife, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
Gastroenterology and Gastrointestinal endoscopy
Samuel David Olorunfemi
Bingham University New Karu
Auta Balifi, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
1
0.200
gastroenterology and hepatology
Paul Olugbemiga Awoniran
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
GASTROINTESTINAL TOXICOLOGY AND MORPHOLOGY
GUT-BRAIN-AXIS
Nyam David Paul
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Gastroenterology
Hepatology
general internal medicine