Citation Rankings
Highly Cited Researchers
Medical and Health Sciences Highly Cited Researchers 65 Scientists Citation in Canada Rankings - 2025
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
Thrombosis andnhemostasis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
256,376
41,890
0.163
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Hematology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
108,874
38,241
0.351
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Hematology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
93,300
27,574
0.296
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Brain tumours
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,672
24,507
0.493
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Hematology
Thromboembolism
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,317
6,611
0.149
* Total Citation Counts Rankings
Ranking Based On Selection: 6
hematology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,279
6,950
0.360
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Hematology & Thromboembolism
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,223
7,621
0.396
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Pediatric oncology
Cancer survivorship
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,618
10,055
0.571
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Thrombosis
hematology
clinical epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,743
5,908
0.464
* Total Citation Counts Rankings
Ranking Based On Selection: 10
hematology myeloma
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,516
5,482
0.521
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Pediatric oncology
New therapeutics development
Early phase clinical trials
Cancer vaccines
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,296
4,615
0.448
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Acute lymphoblastic leukaemia
Childhood cancer
Health policy
Health services research
Low- and middle-income countries
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,274
7,240
0.705
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Hematology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,151
1,864
0.204
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Hematology
Epstein-Barr virus
molecular pathognesis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,506
1,279
0.170
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Hematology/Oncology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,685
1,823
0.273
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Pediatric oncology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,578
2,557
0.389
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Hematology
Hematopoietic Cell Transplant
Transfusion Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,183
3,466
0.561
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Hematology
Immunology
Virology
Polymers
Pathology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,123
1,009
0.165
* Total Citation Counts Rankings
Ranking Based On Selection: 19
hematopoietic stem cells
leukemia
RNA binding proteins
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,368
1,480
0.276
* Total Citation Counts Rankings
Ranking Based On Selection: 20
hematology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,082
2,391
0.470
* Total Citation Counts Rankings
Ranking Based On Selection: 21
hematopoietic development
vascular biology
cancer treatment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,013
2,227
0.444
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Acute Leukemia
Myelodysplasia and bone marrow failure syndromes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,516
2,329
0.516
* Total Citation Counts Rankings
Ranking Based On Selection: 23
quality improvment
safety
value
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,441
2,926
0.659
* Total Citation Counts Rankings
Ranking Based On Selection: 24
thrombosis
hematology
transfusion medicine
guidelines
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,438
2,894
0.652
* Total Citation Counts Rankings
Ranking Based On Selection: 25
hematopoiesis
stem cells
genome engineering
leukemia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,460
1,614
0.466
* Total Citation Counts Rankings
Rankings
430
22
6
Ranking Based On Selection: 1
Jack Hirsh
McMaster University
Hamilton, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
256,376
41,890
0.163
* Total Citation Counts Rankings
Rankings
2,740
106
21
Ranking Based On Selection: 2
Jeffrey Weitz
McMaster University
Hamilton, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
108,874
38,241
0.351
* Total Citation Counts Rankings
Rankings
3,690
143
25
Ranking Based On Selection: 3
Mark Crowther
McMaster University
Hamilton, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
93,300
27,574
0.296
* Total Citation Counts Rankings
Rankings
10,404
406
4
Ranking Based On Selection: 4
Eric Bouffet
Hospital for Sick Children
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,672
24,507
0.493
* Total Citation Counts Rankings
Rankings
12,462
485
55
Ranking Based On Selection: 5
John Kelton
McMaster University
Hamilton, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,317
6,611
0.149
* Total Citation Counts Rankings
Rankings
43,671
1,896
133
Ranking Based On Selection: 6
Brian Leber
McMaster University
Hamilton, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,279
6,950
0.360
* Total Citation Counts Rankings
Rankings
43,842
1,907
134
Ranking Based On Selection: 7
Wendy Lim
McMaster University
Hamilton, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,223
7,621
0.396
* Total Citation Counts Rankings
Rankings
49,462
2,152
286
Ranking Based On Selection: 8
Paul Nathan
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,618
10,055
0.571
Pediatric oncology
Cancer survivorship
* Total Citation Counts Rankings
Rankings
75,546
3,335
142
Ranking Based On Selection: 9
Alejandro Lazo Langner
Western University Canada
London, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,743
5,908
0.464
Thrombosis
hematology
clinical epidemiology
* Total Citation Counts Rankings
Rankings
95,092
4,266
101
Ranking Based On Selection: 10
Darrell J White
Dalhousie University
Halifax, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,516
5,482
0.521
* Total Citation Counts Rankings
Rankings
97,460
4,381
201
Ranking Based On Selection: 11
Aru Narendran
University of Calgary
Calgary, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,296
4,615
0.448
Pediatric oncology
New therapeutics development
Early phase clinical trials
Cancer vaccines
* Total Citation Counts Rankings
Rankings
97,700
4,391
84
Ranking Based On Selection: 12
Sumit Gupta
Hospital for Sick Children
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,274
7,240
0.705
Acute lymphoblastic leukaemia
Childhood cancer
Health policy
Health services research
Low- and middle-income countries
* Total Citation Counts Rankings
Rankings
111,496
4,965
274
Ranking Based On Selection: 13
Irwin Walker
McMaster University
Hamilton, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,151
1,864
0.204
* Total Citation Counts Rankings
Rankings
138,877
6,105
517
Ranking Based On Selection: 14
Hans Knecht
McGill University
Montréal, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,506
1,279
0.170
Hematology
Epstein-Barr virus
molecular pathognesis
* Total Citation Counts Rankings
Rankings
156,878
6,872
3
Ranking Based On Selection: 15
Haji Chalchal
Saskatchewan Cancer Agency
Saskatoon, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,685
1,823
0.273
* Total Citation Counts Rankings
Rankings
159,463
6,975
365
Ranking Based On Selection: 16
Uma Athale
McMaster University
Hamilton, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,578
2,557
0.389
* Total Citation Counts Rankings
Rankings
169,846
7,368
6
Ranking Based On Selection: 17
Matthew Seftel
Canadian Blood Services
Ottawa, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,183
3,466
0.561
Hematology
Hematopoietic Cell Transplant
Transfusion Medicine
* Total Citation Counts Rankings
Rankings
171,536
7,437
732
Ranking Based On Selection: 18
Mark D Scott
University of British Columbia
Vancouver, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,123
1,009
0.165
Hematology
Immunology
Virology
Polymers
Pathology
* Total Citation Counts Rankings
Rankings
195,388
8,383
425
Ranking Based On Selection: 19
Kristin J Hope
McMaster University
Hamilton, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,368
1,480
0.276
hematopoietic stem cells
leukemia
RNA binding proteins
* Total Citation Counts Rankings
Rankings
206,104
8,842
736
Ranking Based On Selection: 20
Mark Blostein
McGill University
Montréal, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,082
2,391
0.470
* Total Citation Counts Rankings
Rankings
208,817
8,945
866
Ranking Based On Selection: 21
Michael R Hughes
University of British Columbia
Vancouver, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,013
2,227
0.444
hematopoietic development
vascular biology
cancer treatment
* Total Citation Counts Rankings
Rankings
230,469
9,820
293
Ranking Based On Selection: 22
Mitchell Sabloff
Université d'Ottawa
Ottawa, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,516
2,329
0.516
Acute Leukemia
Myelodysplasia and bone marrow failure syndromes
* Total Citation Counts Rankings
Rankings
234,062
9,945
1,070
Ranking Based On Selection: 23
Lisa Hicks
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,441
2,926
0.659
quality improvment
safety
value
* Total Citation Counts Rankings
Rankings
234,202
9,953
470
Ranking Based On Selection: 24
Menaka Pai
McMaster University
Hamilton, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,438
2,894
0.652
thrombosis
hematology
transfusion medicine
guidelines
* Total Citation Counts Rankings
Rankings
292,208
12,090
461
Ranking Based On Selection: 25
Bernhard Lehnertz
Université de Montréal
Montréal, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,460
1,614
0.466
hematopoiesis
stem cells
genome engineering
leukemia