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
875,370
Country Rank
415
Institution Rank : 44
![](https://cdn.adscientificindex.com/logos/5929.png)
![Tanzania](/flags/tz.png)
![Larry Akoko](https://cdn.adscientificindex.com/pictures/f0/4324774.jpg)
General Surgery
Surgical Oncology
Pediatric Surgery
Surgical Education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
549
430
0.783
* Total Citation Counts Rankings
World Rank
1,287,719
Country Rank
980
Institution Rank : 81
![](https://cdn.adscientificindex.com/logos/5929.png)
![Tanzania](/flags/tz.png)
![Obadia Venance Nyongole](/user/assets/images/profile/no-profile-photo.png)
General surgery
urology
Medical education
health systems and professionalism
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
141
99
0.702
* Total Citation Counts Rankings
World Rank
2,001,469
Country Rank
2,602
Institution Rank : 143
![](https://cdn.adscientificindex.com/logos/5929.png)
![Tanzania](/flags/tz.png)
![Ramadhani H Khamisi](/pictures/d2/5021905.jpg)
thoracic
vascular
cardiac and general surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
875,370
![Tanzania](/flags/tz.png)
415
![](https://cdn.adscientificindex.com/logos/5929.png)
44
Larry Akoko
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
549
430
0.783
![](https://cdn.adscientificindex.com/logos/5929.png)
General Surgery
Surgical Oncology
Pediatric Surgery
Surgical Education
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,287,719
![Tanzania](/flags/tz.png)
980
![](https://cdn.adscientificindex.com/logos/5929.png)
81
Obadia Venance Nyongole
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
141
99
0.702
![](https://cdn.adscientificindex.com/logos/5929.png)
General surgery
urology
Medical education
health systems and professionalism
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
2,001,469
![Tanzania](/flags/tz.png)
2,602
![](https://cdn.adscientificindex.com/logos/5929.png)
143
Ramadhani H Khamisi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
![](https://cdn.adscientificindex.com/logos/5929.png)
thoracic
vascular
cardiac and general surgery