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
224,038
Country Rank
1,657
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/11279.png)
![Greece](/flags/gr.png)
![Zyga Sofia Ziga Sophia Ziga](https://cdn.adscientificindex.com/pictures/93/1848176.jpg)
Nursing
Education
Haemodialysis
Quality of Life
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,440
3,333
0.751
* Total Citation Counts Rankings
World Rank
798,307
Country Rank
6,566
Institution Rank : 71
![](https://cdn.adscientificindex.com/logos/11279.png)
![Greece](/flags/gr.png)
![P Andriopoulos](/user/assets/images/profile/no-profile-photo.png)
Epidemiology Primary Care Preventive Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
695
272
0.391
* Total Citation Counts Rankings
World Rank
973,571
Country Rank
7,640
Institution Rank : 91
![](https://cdn.adscientificindex.com/logos/11279.png)
![Greece](/flags/gr.png)
![Petros Kolovos](https://cdn.adscientificindex.com/pictures/de/5166079.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
393
306
0.779
* Total Citation Counts Rankings
World Rank
1,551,431
Country Rank
10,578
Institution Rank : 150
![](https://cdn.adscientificindex.com/logos/11279.png)
![Greece](/flags/gr.png)
![Bakola Helen](/user/assets/images/profile/no-profile-photo.png)
nurse
νοσηλευτική
health care
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64
48
0.750
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
224,038
![Greece](/flags/gr.png)
1,657
![](https://cdn.adscientificindex.com/logos/11279.png)
9
Zyga Sofia Ziga Sophia Ziga
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,440
3,333
0.751
![](https://cdn.adscientificindex.com/logos/11279.png)
Nursing
Education
Haemodialysis
Quality of Life
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
798,307
![Greece](/flags/gr.png)
6,566
![](https://cdn.adscientificindex.com/logos/11279.png)
71
P Andriopoulos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
695
272
0.391
![](https://cdn.adscientificindex.com/logos/11279.png)
Epidemiology Primary Care Preventive Medicine
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
973,571
![Greece](/flags/gr.png)
7,640
![](https://cdn.adscientificindex.com/logos/11279.png)
91
Petros Kolovos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
393
306
0.779
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,551,431
![Greece](/flags/gr.png)
10,578
![](https://cdn.adscientificindex.com/logos/11279.png)
150
Bakola Helen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64
48
0.750
![](https://cdn.adscientificindex.com/logos/11279.png)
nurse
νοσηλευτική
health care