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
303,501
Country Rank
102,568
Institution Rank : 195
![](https://cdn.adscientificindex.com/logos/1756.jpg)
![United States](/flags/us.png)
![Tony Rosen](https://cdn.adscientificindex.com/pictures/ff/1295135.jpg)
Geriatric Emergency Medicine
Elder Abuse and Neglect
Epidemiology
Forensics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,141
2,509
0.799
* Total Citation Counts Rankings
World Rank
465,291
Country Rank
147,280
Institution Rank : 667
![](https://cdn.adscientificindex.com/logos/1756.jpg)
![United States](/flags/us.png)
![Shari Platt](/user/assets/images/profile/no-profile-photo.png)
Pediatric Emergency Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,798
661
0.368
* Total Citation Counts Rankings
World Rank
1,478,567
Country Rank
344,596
Institution Rank : 3,267
![](https://cdn.adscientificindex.com/logos/1756.jpg)
![United States](/flags/us.png)
![Michael Coplin](/user/assets/images/profile/no-profile-photo.png)
Emergency Medicine
Clinical Informatics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
80
49
0.613
* Total Citation Counts Rankings
World Rank
1,665,840
Country Rank
371,670
Institution Rank : 3,623
![](https://cdn.adscientificindex.com/logos/1756.jpg)
![United States](/flags/us.png)
![Hamza Ijaz](/pictures/c2/5475804.jpg)
Emergency Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44
40
0.909
* Total Citation Counts Rankings
World Rank
1,766,630
Country Rank
385,109
Institution Rank : 3,765
![](https://cdn.adscientificindex.com/logos/1756.jpg)
![United States](/flags/us.png)
![Philip O'Donnell](/user/assets/images/profile/no-profile-photo.png)
Emergency Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31
25
0.806
* Total Citation Counts Rankings
World Ranking
303,501
Country Ranking
102,568
Institution Ranking
195
Tony Rosen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,141
2,509
0.799
![](https://cdn.adscientificindex.com/logos/1756.jpg)
Geriatric Emergency Medicine
Elder Abuse and Neglect
Epidemiology
Forensics
* Total Citation Counts Rankings
World Ranking
465,291
Country Ranking
147,280
Institution Ranking
667
Shari Platt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,798
661
0.368
![](https://cdn.adscientificindex.com/logos/1756.jpg)
Pediatric Emergency Medicine
* Total Citation Counts Rankings
World Ranking
1,478,567
Country Ranking
344,596
Institution Ranking
3,267
Michael Coplin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
80
49
0.613
![](https://cdn.adscientificindex.com/logos/1756.jpg)
Emergency Medicine
Clinical Informatics
* Total Citation Counts Rankings
World Ranking
1,665,840
Country Ranking
371,670
Institution Ranking
3,623
Hamza Ijaz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44
40
0.909
* Total Citation Counts Rankings
World Ranking
1,766,630
Country Ranking
385,109
Institution Ranking
3,765
Philip O'Donnell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31
25
0.806