Citation Rankings
Highly Cited Researchers

World Highly Cited Researchers CitationMedical and Health Sciences / Health Sciences Rankings 2025

The Citation Rankings (Highly Cited Researchers) highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.

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Total 138 scientist
* Total Citation Counts Rankings
Ranking Based On Selection :1
Poland
Hania Szajewska
Paediatric nutrition
gastroenterology
evidence-based medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,991
21,629
0.451
* Total Citation Counts Rankings
Ranking Based On Selection :2
United States
Stefano Guandalini
pediatric gastroenterology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,261
5,352
0.264
* Total Citation Counts Rankings
Ranking Based On Selection :3
South Korea
Jin Soo Moon
Pediatrics
Gastroenterology
Crohn
Nutrition
Growth
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,439
14,278
0.869
* Total Citation Counts Rankings
Ranking Based On Selection :4
Canada
Simon Ling
Pediatric Gastroenterology
Hepatology & Nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,899
7,095
0.651
* Total Citation Counts Rankings
Ranking Based On Selection :5
United States
Mitchell B Cohen
pediatric gastroenterology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,804
2,518
0.257
* Total Citation Counts Rankings
Ranking Based On Selection :6
Nigeria
Ademuyiwa AO
Paediatric Gastroenterology Surgery
Surgical Education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,529
9,030
0.948
* Total Citation Counts Rankings
Ranking Based On Selection :7
Canada
Christophe Faure
Pediatric Gastroenterology - Neurogastroenterology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,413
4,116
0.489
* Total Citation Counts Rankings
Ranking Based On Selection :8
Canada
Jessie M Hulst
Pediatric Nutrition
Gastroenterology
Malnutrition
nutritional assessment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,243
5,757
0.698
* Total Citation Counts Rankings
Ranking Based On Selection :9
Italy
Giovanni Di Nardo
Pediatric Gastroenterology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,668
3,969
0.518
* Total Citation Counts Rankings
Ranking Based On Selection :10
Spain
Luis Peña Quintana
Pediatrics
Nutrition
Obesity
Inborn errors of metabolism
Gastroenterology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,483
2,907
0.448
* Total Citation Counts Rankings
Ranking Based On Selection :11
United Kingdom
Nicholas Michael Croft
Paediatric Gastroenterology
Inflammatory Bowel disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,734
3,218
0.561
* Total Citation Counts Rankings
Ranking Based On Selection :12
Canada
Hien Quoc Huynh
pediatric gastronenterology
IBD
Eosinophilic esophagitis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,224
3,722
0.712
* Total Citation Counts Rankings
Ranking Based On Selection :13
Ireland
Marion Rowland
Clinical Research
Epidemiology
Pediatric Gastroenterology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,097
1,778
0.349
* Total Citation Counts Rankings
Ranking Based On Selection :14
Spain
José Manuel Moreno Villares
Pediatrics
Nutrition
Gastroenterology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,753
2,204
0.464
* Total Citation Counts Rankings
Ranking Based On Selection :15
Canada
J Decker Butzner
pediatric gastroenterology
celiac disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,468
1,361
0.305
* Total Citation Counts Rankings
Ranking Based On Selection :16
Italy
Licia Pensabene
Pediatric Gastroenterology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,265
1,936
0.454
* Total Citation Counts Rankings
Ranking Based On Selection :17
Chile
Ernesto Guiraldes
Health Sciences Education
Pediatric Gastroenterology
Coeliac Disease
Functional Gastrointestinal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,382
667
0.197
* Total Citation Counts Rankings
Ranking Based On Selection :18
Iran
Seyed Mohsen Dehghani
Pediatrics
Pediatric Gastroenterology
Pediatric Hepatology
Pediatric Liver Transplantation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,923
1,471
0.503
* Total Citation Counts Rankings
Ranking Based On Selection :19
Türkiye
Pelin Özlem Şimşek Kiper
Pediatric Genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,840
1,983
0.698
* Total Citation Counts Rankings
Ranking Based On Selection :20
Denmark
Vibeke Wewer
pædiatrisk gastroenterologi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,838
1,065
0.375
* Total Citation Counts Rankings
Ranking Based On Selection :21
Iran
Mohammad Hadi Imanieh
Pediatrics
Gastroenterology
Hepatology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,676
1,409
0.527
* Total Citation Counts Rankings
Ranking Based On Selection :22
United States
Valentina Discepoloph
Pediatric gastroenterology and mucosal immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,431
1,644
0.676
* Total Citation Counts Rankings
Ranking Based On Selection :23
Japan
Daisuke Tokuhara
Pediatric gastroenterology and hepatology
mucosal immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,422
1,200
0.495
* Total Citation Counts Rankings
Ranking Based On Selection :24
Türkiye
Özlem Durmaz
pediatric gastroenterology and hepatology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,290
1,239
0.541
* Total Citation Counts Rankings
Ranking Based On Selection :25
Türkiye
Ödül Eğritaş Gürkan
DBE
Inflammatory Bowel Disease
Gut Microbiome
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,174
1,088
0.500
* Total Citation Counts Rankings
Rankings
10,691
Poland
23
1
Ranking Based On Selection: 1
Hania Szajewska
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,991
21,629
0.451
Paediatric nutrition
gastroenterology
evidence-based medicine
* Total Citation Counts Rankings
Rankings
40,035
United States
17,701
170
Ranking Based On Selection: 2
Stefano Guandalini
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,261
5,352
0.264
* Total Citation Counts Rankings
Rankings
53,106
South Korea
576
126
Ranking Based On Selection: 3
Jin Soo Moon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,439
14,278
0.869
* Total Citation Counts Rankings
Rankings
89,610
Canada
3,982
72
Ranking Based On Selection: 4
Simon Ling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,899
7,095
0.651
* Total Citation Counts Rankings
Rankings
101,290
United States
40,198
94
Ranking Based On Selection: 5
Mitchell B Cohen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,804
2,518
0.257
* Total Citation Counts Rankings
Rankings
104,557
Nigeria
128
3
Ranking Based On Selection: 6
Ademuyiwa AO
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,529
9,030
0.948
* Total Citation Counts Rankings
Rankings
120,495
Canada
5,341
212
Ranking Based On Selection: 7
Christophe Faure
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,413
4,116
0.489
* Total Citation Counts Rankings
Rankings
123,210
Canada
5,451
105
Ranking Based On Selection: 8
Jessie M Hulst
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,243
5,757
0.698
Pediatric Nutrition
Gastroenterology
Malnutrition
nutritional assessment
* Total Citation Counts Rankings
Rankings
133,461
Italy
5,586
283
Ranking Based On Selection: 9
Giovanni Di Nardo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,668
3,969
0.518
* Total Citation Counts Rankings
Rankings
159,229
Spain
4,227
33
Ranking Based On Selection: 10
Luis Peña Quintana
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,483
2,907
0.448
Pediatrics
Nutrition
Obesity
Inborn errors of metabolism
Gastroenterology
* Total Citation Counts Rankings
Rankings
180,186
United Kingdom
13,902
252
Ranking Based On Selection: 11
Nicholas Michael Croft
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,734
3,218
0.561
* Total Citation Counts Rankings
Rankings
197,374
Canada
8,445
545
Ranking Based On Selection: 12
Hien Quoc Huynh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,224
3,722
0.712
pediatric gastronenterology
IBD
Eosinophilic esophagitis
* Total Citation Counts Rankings
Rankings
202,105
Ireland
975
231
Ranking Based On Selection: 13
Marion Rowland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,097
1,778
0.349
Clinical Research
Epidemiology
Pediatric Gastroenterology
* Total Citation Counts Rankings
Rankings
216,313
Spain
6,090
86
Ranking Based On Selection: 14
José Manuel Moreno Villares
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,753
2,204
0.464
* Total Citation Counts Rankings
Rankings
229,185
Canada
9,737
436
Ranking Based On Selection: 15
J Decker Butzner
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,468
1,361
0.305
* Total Citation Counts Rankings
Rankings
239,202
Italy
10,612
68
Ranking Based On Selection: 16
Licia Pensabene
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,265
1,936
0.454
* Total Citation Counts Rankings
Rankings
293,543
Chile
679
27
Ranking Based On Selection: 17
Ernesto Guiraldes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,382
667
0.197
Health Sciences Education
Pediatric Gastroenterology
Coeliac Disease
Functional Gastrointestinal
* Total Citation Counts Rankings
Rankings
331,456
Iran
3,322
104
Ranking Based On Selection: 18
Seyed Mohsen Dehghani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,923
1,471
0.503
Pediatrics
Pediatric Gastroenterology
Pediatric Hepatology
Pediatric Liver Transplantation
* Total Citation Counts Rankings
Rankings
339,175
Türkiye
3,329
176
Ranking Based On Selection: 19
Pelin Özlem Şimşek Kiper
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,840
1,983
0.698
* Total Citation Counts Rankings
Rankings
339,435
Denmark
3,067
262
Ranking Based On Selection: 20
Vibeke Wewer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,838
1,065
0.375
* Total Citation Counts Rankings
Rankings
355,863
Iran
3,732
116
Ranking Based On Selection: 21
Mohammad Hadi Imanieh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,676
1,409
0.527
* Total Citation Counts Rankings
Rankings
383,414
United States
123,981
755
Ranking Based On Selection: 22
Valentina Discepoloph
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,431
1,644
0.676
* Total Citation Counts Rankings
Rankings
384,508
Japan
7,815
18
Ranking Based On Selection: 23
Daisuke Tokuhara
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,422
1,200
0.495
Pediatric gastroenterology and hepatology
mucosal immunology
* Total Citation Counts Rankings
Rankings
401,089
Türkiye
4,544
106
Ranking Based On Selection: 24
Özlem Durmaz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,290
1,239
0.541
* Total Citation Counts Rankings
Rankings
416,718
Türkiye
4,880
147
Ranking Based On Selection: 25
Ödül Eğritaş Gürkan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,174
1,088
0.500