i10 Productivity
Rankings

Africa Medical and Health Sciences / Gastroenterology i10 Productivity Rankings 2025

Productivity Rankings is an exclusive service provided by AD Scientific Index. This ranking system, derived from the i10 index, highlights the productivity of scientists in publishing impactful scientific articles. Productivity Rankings serves as a tool to identify highly productive scientists across specific areas, disciplines, universities, and countries, and supports the creation of effective incentives and academic policies. The global, regional, and institutional rankings of scientists in this table are calculated based on their total i10 index. Moreover, you can explore special rankings derived from Productivity Rankings, such as 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.

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Total 182 scientist, 101 country, 902 institution
* Total i10 IndexRankings
Ranking Based On Selection :1
Egypt
Gamal E Shiha
Internal Medicine
Hepatology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
95
78
0.821
* Total i10 IndexRankings
Ranking Based On Selection :2
Egypt
Mohamed El Kassas
Hepatology
HCV
HBV
HCC
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
86
0.925
* Total i10 IndexRankings
Ranking Based On Selection :3
Sudan
Mamoun Homeida
Internal Medicine
Gastrointestinal Endoscopy
Abdominal Ultrasonography
Clinical Pharmacology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
21
0.263
* Total i10 IndexRankings
Ranking Based On Selection :4
Nigeria
Olufunmilayo Lesi
Viral hepatitis
liver cancer
Hepatology
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
56
0.889
* Total i10 IndexRankings
Ranking Based On Selection :6
Egypt
Moataz Sayed
gastroenteroligy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
27
0.643
* Total i10 IndexRankings
Ranking Based On Selection :7
Egypt
Ahmed Massoud
Diabetes Mellitus
Liver Diseases
GIT Diseases
Stem Cells
Anti Parasitic Diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
14
0.333
* Total i10 IndexRankings
Ranking Based On Selection :8
Nigeria
Christopher B. Eke
Professor of Paediatrics/Gastroenterology & Hepatology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
33
0.805
* Total i10 IndexRankings
Ranking Based On Selection :9
Egypt
Mohamed Alboraie
Hepatology
non-invasive assessment of hepatic fibrosis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
34
0.919
* Total i10 IndexRankings
Ranking Based On Selection :10
Tanzania
Hyasinta Jaka
Gastroenterology & Hepatology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
33
0.892
* Total i10 IndexRankings
Ranking Based On Selection :11
Sudan
Gasim Gi
Internal Medicine
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
32
0.889
* Total i10 IndexRankings
Ranking Based On Selection :12
Egypt
Mohamed Anwar
Gastroenterology
Hepatology
Endoscopy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
25
0.694
* Total i10 IndexRankings
Ranking Based On Selection :13
Egypt
Mamdouh Gabr
Hepatology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
19
0.528
* Total i10 IndexRankings
Ranking Based On Selection :14
Nigeria
Onyekwere Charles Asabamaka
Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
27
0.771
* Total i10 IndexRankings
Ranking Based On Selection :15
Egypt
Senate Randa Mostafa
Gastrointestinal physiology
Enivronemental Pollution and Body functions
Women's Health
Physiology of aging
Medical education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
20
0.571
* Total i10 IndexRankings
Ranking Based On Selection :16
South Africa
Rosemary Burnett
Hepatitis B virus
vaccination of healthcare workers
HBV/HIV co-infection
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
24
0.750
* Total i10 IndexRankings
Ranking Based On Selection :17
Nigeria
Abraham Orkurga Malu
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 :18
Egypt
Samy ZS|Samy Zaki, El-Sayed S.Z, Zaky S.
Hepato-gastroenterology and infectous diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
26
0.839
* Total i10 IndexRankings
Ranking Based On Selection :19
South Africa
Janet Mans
gastroenteritis
norovirus epidemiology
environmental virology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
21
0.677
* Total i10 IndexRankings
Ranking Based On Selection :20
Nigeria
David Ofusori
Gastrointestinal Anatomy
Cancer Research
Diabetes
Toxicology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
12
0.400
* Total i10 IndexRankings
Ranking Based On Selection :21
Egypt
Mohamed A Mekky
Gastroenetrology and Hepatology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
23
0.793
* Total i10 IndexRankings
Ranking Based On Selection :22
Egypt
Samy Zaky
EUS
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
27
0.964
* Total i10 IndexRankings
Ranking Based On Selection :23
Egypt
Asem Ahmed Elfert
Gastroenterology
Endoscopic training and research
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
20
0.741
* Total i10 IndexRankings
Ranking Based On Selection :24
Egypt
Said Shalaby
Tropical medicine-Gastroenterology -Hepatology -Zoonotic Diseases-Parasitology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
7
0.259
* Total i10 IndexRankings
Ranking Based On Selection :25
Nigeria
Adegboyega Akere
Gastrointestinal Endoscopy
Gastroenterology
Hepatology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
17
0.654
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 1
Gamal E Shiha
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
95
78
0.821
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 2
Mohamed El Kassas
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
86
0.925
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 3
Mamoun Homeida
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
21
0.263
Internal Medicine
Gastrointestinal Endoscopy
Abdominal Ultrasonography
Clinical Pharmacology
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 4
Olufunmilayo Lesi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
56
0.889
Viral hepatitis
liver cancer
Hepatology
Gastroenterology
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 5
Ajayi Akande Oladimeji
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
29
0.630
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 6
Moataz Sayed
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
27
0.643
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 7
Ahmed Massoud
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
14
0.333
Diabetes Mellitus
Liver Diseases
GIT Diseases
Stem Cells
Anti Parasitic Diseases
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 8
Christopher B. Eke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
33
0.805
Professor of Paediatrics/Gastroenterology & Hepatology
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 9
Mohamed Alboraie
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
34
0.919
Hepatology
non-invasive assessment of hepatic fibrosis
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 10
Hyasinta Jaka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
33
0.892
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 11
Gasim Gi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
32
0.889
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 12
Mohamed Anwar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
25
0.694
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 13
Mamdouh Gabr
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
19
0.528
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 14
Onyekwere Charles Asabamaka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
27
0.771
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 15
Senate Randa Mostafa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
20
0.571
Gastrointestinal physiology
Enivronemental Pollution and Body functions
Women's Health
Physiology of aging
Medical education
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 16
Rosemary Burnett
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
24
0.750
Hepatitis B virus
vaccination of healthcare workers
HBV/HIV co-infection
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 17
Abraham Orkurga Malu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
23
0.719
Internal Medicine
Gastroenterology
Hepatology
Hepatitis
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 18
Samy ZS|Samy Zaki, El-Sayed S.Z, Zaky S.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
26
0.839
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 19
Janet Mans
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
21
0.677
gastroenteritis
norovirus epidemiology
environmental virology
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 20
David Ofusori
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
12
0.400
Gastrointestinal Anatomy
Cancer Research
Diabetes
Toxicology
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 21
Mohamed A Mekky
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
23
0.793
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 22
Samy Zaky
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
27
0.964
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 23
Asem Ahmed Elfert
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
20
0.741
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 24
Said Shalaby
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
7
0.259
Tropical medicine-Gastroenterology -Hepatology -Zoonotic Diseases-Parasitology
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 25
Adegboyega Akere
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
17
0.654
Gastrointestinal Endoscopy
Gastroenterology
Hepatology