Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: 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
Long COVID
Clinical Epidemiology
Environmental Epidemiology
Pharmacoepidemiology
Nephrology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
129,869
115,297
0.888
* Total Citation Counts Rankings
Ranking Based On Selection :2
PTSD
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
76,588
26,951
0.352
* Total Citation Counts Rankings
Ranking Based On Selection :3
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63,445
27,156
0.428
* Total Citation Counts Rankings
Ranking Based On Selection :4
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63,128
34,221
0.542
* Total Citation Counts Rankings
Ranking Based On Selection :5
Cancer Screening
Disease Prevention
Overdiagnosis and Treatment
Evidence Synthesis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,380
22,064
0.354
* Total Citation Counts Rankings
Ranking Based On Selection :6
lupus
autoimmunity
rheumatic diseases
complex disease genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
56,108
19,108
0.341
* Total Citation Counts Rankings
Ranking Based On Selection :7
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,596
20,392
0.457
* Total Citation Counts Rankings
Ranking Based On Selection :8
Implementation Research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,227
25,190
0.758
* Total Citation Counts Rankings
Ranking Based On Selection :9
PTSD
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,712
21,100
0.645
* Total Citation Counts Rankings
Ranking Based On Selection :10
geriatric heart failure
multiple chronic conditions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,757
16,479
0.554
* Total Citation Counts Rankings
Ranking Based On Selection :11
Population and Human Genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,867
19,984
0.692
* Total Citation Counts Rankings
Ranking Based On Selection :12
colon
hepatitis
cancer
screening
Gastroenterology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,192
12,921
0.458
* Total Citation Counts Rankings
Ranking Based On Selection :13
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,930
12,199
0.437
* Total Citation Counts Rankings
Ranking Based On Selection :14
cell biology of estrogen action
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,488
4,788
0.174
* Total Citation Counts Rankings
Ranking Based On Selection :15
surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,732
11,119
0.489
* Total Citation Counts Rankings
Ranking Based On Selection :16
Cardiac preention
cardiac health services research
outcomes
quality of care
learning health care systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,724
14,098
0.620
* Total Citation Counts Rankings
Ranking Based On Selection :17
Pathology
Proteomics
Physical Chemistry
Biophysics
Molecular Genetic Pathology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,282
4,423
0.208
* Total Citation Counts Rankings
Ranking Based On Selection :18
cardiovascular disease
epidemiology
systematic reviews
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,363
3,881
0.191
* Total Citation Counts Rankings
Ranking Based On Selection :19
Therapeutic endoscopy Health Research Mangement
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,309
6,653
0.328
* Total Citation Counts Rankings
Ranking Based On Selection :20
traumatic stress
risk
prevention
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,911
5,466
0.275
* Total Citation Counts Rankings
Ranking Based On Selection :21
osteoporosis
systematic reviews
dementia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,760
8,909
0.451
* Total Citation Counts Rankings
Ranking Based On Selection :22
mental health
veterans
suicidality
program evaluation
epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,736
6,961
0.372
* Total Citation Counts Rankings
Ranking Based On Selection :23
PTSD
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,673
12,145
0.650
* Total Citation Counts Rankings
Ranking Based On Selection :24
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,169
6,237
0.363
* Total Citation Counts Rankings
Ranking Based On Selection :25
aging and endocrinology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,664
3,531
0.212
Ziyad Al-Aly
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
129,869
115,297
0.888
Long COVID
Clinical Epidemiology
Environmental Epidemiology
Pharmacoepidemiology
Nephrology
Terence M Keane
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
76,588
26,951
0.352
Jonathan N Myers
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63,445
27,156
0.428
Dawn Bravata
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63,128
34,221
0.542
Timothy J Wilt
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,380
22,064
0.354
Cancer Screening
Disease Prevention
Overdiagnosis and Treatment
Evidence Synthesis
John B Harley
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
56,108
19,108
0.341
John Duda
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,596
20,392
0.457
Laura Damschroder
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,227
25,190
0.758
Brian Marx
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,712
21,100
0.645
Ali Ahmed
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,757
16,479
0.554
geriatric heart failure
multiple chronic conditions
Jennifer E Huffman
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,867
19,984
0.692
Population and Human Genetics
Jason Dominitz
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,192
12,921
0.458
colon
hepatitis
cancer
screening
Gastroenterology
Jean Beckham
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,930
12,199
0.437
Ellis R Levin
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,488
4,788
0.174
cell biology of estrogen action
Kamal Itani
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,732
11,119
0.489
Thomas M Maddox
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,724
14,098
0.620
Cardiac preention
cardiac health services research
outcomes
quality of care
learning health care systems
Timothy O'Leary
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,282
4,423
0.208
Pathology
Proteomics
Physical Chemistry
Biophysics
Molecular Genetic Pathology
Hanna Bloomfield
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,363
3,881
0.191
Roy Soetikno
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,309
6,653
0.328
Eve Carlson
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,911
5,466
0.275
Howard A Fink
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,760
8,909
0.451
Rani A Hoff (Desai)
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,736
6,961
0.372
mental health
veterans
suicidality
program evaluation
epidemiology
Mark Webber Miller
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,673
12,145
0.650
Paul Thuras
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,169
6,237
0.363
Marc Blackman
US Veterans Affairs
Washington, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,664
3,531
0.212
aging and endocrinology