Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, 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)
* Total Citation Counts Rankings
World Rank
393,106
Country Rank
11,211
Institution Rank : 432
![](https://cdn.adscientificindex.com/logos/9865.jpg)
![Brazil](/flags/br.png)
![Daniel Menezes Souza](/user/assets/images/profile/no-profile-photo.png)
Clinical Pathology
Immunology
Parasitology
Infectious Diseases
Applied Biotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,269
1,570
0.692
* Total Citation Counts Rankings
World Rank
458,917
Country Rank
145,523
Institution Rank : 4,675
![](https://cdn.adscientificindex.com/logos/3215.jpg)
![United States](/flags/us.png)
![Jonathan Stefely](https://cdn.adscientificindex.com/pictures/d5/1415333.jpg)
Clinical Pathology
Parasitology
Transfusion Medicine
Biochemistry
Mitochondria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,834
1,373
0.749
* Total Citation Counts Rankings
World Rank
1,688,071
Country Rank
4,009
Institution Rank : 799
![](https://cdn.adscientificindex.com/logos/11019.jpg)
![Ghana](/flags/gh.png)
![Mustapha Abubakar Ahmed](/pictures/c8/5029631.jpg)
Parasitology
Histopathology
Toxicology
Plant Medicine and Clinical Pathology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41
31
0.756
* Total Citation Counts Rankings
World Ranking
393,106
Country Ranking
11,211
Institution Ranking
432
Daniel Menezes Souza
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,269
1,570
0.692
![](https://cdn.adscientificindex.com/logos/9865.jpg)
Clinical Pathology
Immunology
Parasitology
Infectious Diseases
Applied Biotechnology
* Total Citation Counts Rankings
World Ranking
458,917
Country Ranking
145,523
Institution Ranking
4,675
Jonathan Stefely
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,834
1,373
0.749
![](https://cdn.adscientificindex.com/logos/3215.jpg)
Clinical Pathology
Parasitology
Transfusion Medicine
Biochemistry
Mitochondria
* Total Citation Counts Rankings
World Ranking
1,688,071
Country Ranking
4,009
Institution Ranking
799
Mustapha Abubakar Ahmed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41
31
0.756
![](https://cdn.adscientificindex.com/logos/11019.jpg)
Parasitology
Histopathology
Toxicology
Plant Medicine and Clinical Pathology