Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Architecture and Design, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
![Frank Schweizer](https://cdn.adscientificindex.com/pictures/e7/645777.jpg)
Medicinal Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,870
4,691
0.529
![Sheryl Zelenitsky](/user/assets/images/profile/no-profile-photo.png)
Antibiotics
Infectious Diseases
Pharmacokinetics
Pharmacodynamics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,349
3,001
0.473
* Last 6 Years Citation Counts Rankings
![Bhupendrasinh Chauhan](https://cdn.adscientificindex.com/pictures/5f/653588.jpg)
Clinical research
Asthma
Knowledge Synthesis
Pharmacokinetics
Bioanalysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,030
1,491
0.492
* Last 6 Years Citation Counts Rankings
![Silvia Alessi Severini](https://cdn.adscientificindex.com/pictures/82/655318.jpg)
Pharmacoepidemiology
Drug safety and effectiveness
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,855
1,206
0.650
* Last 6 Years Citation Counts Rankings
![Daniel Sitar](https://cdn.adscientificindex.com/pictures/e7/643959.jpg)
Clinical Pharmacology
Pharmacokinetics
Renal Pharmacology
Geriatrics Pediatrics
Toxicology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,389
975
0.116
* Last 6 Years Citation Counts Rankings
![Ted M Lakowski](https://cdn.adscientificindex.com/pictures/25/658484.jpg)
Epigenetics
enzymology
drug screening
drug development
mass spectrometry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,220
683
0.560
* Last 6 Years Citation Counts Rankings
![Sherif Eltonsy](https://cdn.adscientificindex.com/pictures/0b/4885701.jpg)
Pharmacoepidemiology
Comparative effectiveness research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
540
447
0.828
* Last 6 Years Citation Counts Rankings
![Collins David M](/user/assets/images/profile/no-profile-photo.png)
Pharmacy
Public Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
464
128
0.276
Frank Schweizer
University of Manitoba
Winnipeg, Canada
![Canada](/flags/ca.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,870
4,691
0.529
Sheryl Zelenitsky
University of Manitoba
Winnipeg, Canada
![Canada](/flags/ca.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,349
3,001
0.473
Antibiotics
Infectious Diseases
Pharmacokinetics
Pharmacodynamics
Bhupendrasinh Chauhan
University of Manitoba
Winnipeg, Canada
![Canada](/flags/ca.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,030
1,491
0.492
Clinical research
Asthma
Knowledge Synthesis
Pharmacokinetics
Bioanalysis
Silvia Alessi Severini
University of Manitoba
Winnipeg, Canada
![Canada](/flags/ca.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,855
1,206
0.650
Pharmacoepidemiology
Drug safety and effectiveness
Daniel Sitar
University of Manitoba
Winnipeg, Canada
![Canada](/flags/ca.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,389
975
0.116
Clinical Pharmacology
Pharmacokinetics
Renal Pharmacology
Geriatrics Pediatrics
Toxicology
Ted M Lakowski
University of Manitoba
Winnipeg, Canada
![Canada](/flags/ca.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,220
683
0.560
Epigenetics
enzymology
drug screening
drug development
mass spectrometry
Sherif Eltonsy
University of Manitoba
Winnipeg, Canada
![Canada](/flags/ca.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
540
447
0.828
Pharmacoepidemiology
Comparative effectiveness research
Collins David M
University of Manitoba
Winnipeg, Canada
![Canada](/flags/ca.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
464
128
0.276
Pharmacy
Public Health