The Citation Rankings (Highly Cited Researchers) list 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.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
Gastroenterology
Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
86,781
40,987
0.472
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Gastroenterology
Viral hepatitis
Public Health
Health economics
Scientific communication
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82,351
42,706
0.519
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Gastroenterology
Endoscopy
Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,174
46,460
0.747
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Gastroenterology
Genomics and Aspirin Chemoprevention
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60,522
28,294
0.467
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Hepatology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,881
24,583
0.411
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Hepatology and gastroenterology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
55,612
17,648
0.317
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Gastroenterology
Integrative Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,770
20,677
0.483
* Total Citation Counts Rankings
Ranking Based On Selection: 8
gastric carcinoma
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,171
10,816
0.263
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,497
11,317
0.319
* Total Citation Counts Rankings
Ranking Based On Selection: 10
Gastroenterology
Endoscopy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,294
13,288
0.376
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Medical Doctor
Ph.D in molecular medicine
Associate Professor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,699
28,380
0.895
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Gastroenterology
Hepatology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,507
5,733
0.182
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Gastric cancer
Precision cancer medicine
Molecular targeted therapy
Cancer bioenergetics and metabolism
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,110
15,458
0.513
* Total Citation Counts Rankings
Ranking Based On Selection: 14
gastroenterology and hepatology
H pylori
gastrointestinal endoscopy
endoscopic mucosal resection
gastric physiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,062
3,075
0.102
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,633
13,399
0.468
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Hepatology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,288
15,996
0.586
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Gastroenterology
Endoscopy
Hepatology
Oncology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,523
13,605
0.533
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Gastrointestinal Cancer
Metastasis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,279
6,473
0.256
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Gastroenterology
Inflammatory Bowel Disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,258
9,521
0.377
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Pancreato-biliary
endoscopy
drainage
chemotherapy
primary sclerosing cholangitis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,047
10,937
0.475
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Hepatology
Gastroenterology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,989
11,173
0.486
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,778
20,274
0.890
* Total Citation Counts Rankings
Ranking Based On Selection: 23
gastroenterology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,320
9,718
0.456
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Gastroenterology and Hepatology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,235
5,714
0.282
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Metabolomics
Mass Spectrometry
Cancer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,611
5,730
0.292
Francis Kl Chan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
86,781
40,987
0.472
Gastroenterology
Medicine
Rakesh Aggarwal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82,351
42,706
0.519
Gastroenterology
Viral hepatitis
Public Health
Health economics
Scientific communication
Siew C Ng
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,174
46,460
0.747
Gastroenterology
Endoscopy
Medicine
JAZ Jankowski
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60,522
28,294
0.467
Gastroenterology
Genomics and Aspirin Chemoprevention
Man Fung Yuen
University of Hong Kong
Pokfulam, Hong Kong
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,881
24,583
0.411
JH Kao
National Taiwan University
Taipei, Taiwan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
55,612
17,648
0.317
Hepatology and gastroenterology
Justin Wu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,770
20,677
0.483
Gastroenterology
Integrative Medicine
Woo Ho Kim
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,171
10,816
0.263
Shuichiro Shiina|Ikejima kenichi
Juntendo University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,497
11,317
0.319
Wai K Leung
University of Hong Kong
Pokfulam, Hong Kong
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,294
13,288
0.376
Gastroenterology
Endoscopy
Akbar Hedayatizadeh Omran
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,699
28,380
0.895
Medical Doctor
Ph.D in molecular medicine
Associate Professor
Bcy Wong
University of Hong Kong
Pokfulam, Hong Kong
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,507
5,733
0.182
Gastroenterology
Hepatology
Jae-Ho Cheong
Yonsei University
Seoul, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,110
15,458
0.513
Gastric cancer
Precision cancer medicine
Molecular targeted therapy
Cancer bioenergetics and metabolism
Shiu Kum Lam Obe
University of Hong Kong
Pokfulam, Hong Kong
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,062
3,075
0.102
gastroenterology and hepatology
H pylori
gastrointestinal endoscopy
endoscopic mucosal resection
gastric physiology
Mohammad Reza Zali
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,633
13,399
0.468
Young-Suk Lim
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,288
15,996
0.586
Mitsuhiro Fujishiro
Nagoya University
Nagoya, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,523
13,605
0.533
Gastroenterology
Endoscopy
Hepatology
Oncology
Masanobu Oshima
Kanazawa University
Kanazawa, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,279
6,473
0.256
Gastrointestinal Cancer
Metastasis
Suk-Kyun Yang
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,258
9,521
0.377
Gastroenterology
Inflammatory Bowel Disease
Hiroyuki Isayama
Juntendo University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,047
10,937
0.475
Pancreato-biliary
endoscopy
drainage
chemotherapy
primary sclerosing cholangitis
Wasim Jafri
Aga Khan University
Karachi, Pakistan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,989
11,173
0.486
Hepatology
Gastroenterology
Fariborz Mansour Ghanaei
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,778
20,274
0.890
Atsushi Masamune
Tohoku University
Sendai, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,320
9,718
0.456
Teerha Piratvisuth
Prince of Songkla University
Songkhla, Thailand
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,235
5,714
0.282
Gastroenterology and Hepatology
Masaru Yoshida
Kobe University
Kobe, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,611
5,730
0.292
Metabolomics
Mass Spectrometry
Cancer