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
432,029
Country Rank
5,191
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/17429.png)
![Türkiye](/flags/tr.png)
![Serdar Kahraman](https://cdn.adscientificindex.com/pictures/d3/85507.jpg)
Spine&Neuroendoscopy&Neuronavigation&Neuromonitorization
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,997
596
0.298
* Total Citation Counts Rankings
World Rank
1,401,071
Country Rank
37,217
Institution Rank : 25
![](https://cdn.adscientificindex.com/logos/17429.png)
![Türkiye](/flags/tr.png)
![Gokhan Acka](/user/assets/images/profile/no-profile-photo.png)
Neurosurgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
101
25
0.248
* Total Citation Counts Rankings
World Ranking
432,029
Country Ranking
5,191
Institution Ranking
4
Serdar Kahraman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,997
596
0.298
![](https://cdn.adscientificindex.com/logos/17429.png)
Spine&Neuroendoscopy&Neuronavigation&Neuromonitorization
* Total Citation Counts Rankings
World Ranking
1,401,071
Country Ranking
37,217
Institution Ranking
25
Gokhan Acka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
101
25
0.248