Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Architecture and Design, 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)
![George Dalekos](https://cdn.adscientificindex.com/pictures/17/1841954.jpg)
Internal Medicine
Liver Diseases
Clinical Immunology
Viral and Autoimmune Liver Diseases
Zoonotic Infectious Diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,016
13,720
0.548
![George Ntaios](https://cdn.adscientificindex.com/pictures/e7/1842089.jpg)
Internal Medicine
Cardiovascular Medicine
Stroke Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,350
10,589
0.738
![Nikolaos Gatselis](https://cdn.adscientificindex.com/pictures/72/1845311.jpg)
Medicine
Internal Medicine
Hepatology
Infectious Diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,018
4,753
0.677
![Stefanidis Ioannis](/user/assets/images/profile/no-profile-photo.png)
nephrology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,126
4,550
0.449
![Konstantinos Makaritsis](https://cdn.adscientificindex.com/pictures/73/1843915.jpg)
Cardiovascular Medicine - Hypertension - Atherosclerosis - Stroke
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,473
4,125
0.637
![Kalliopi Zachou](/user/assets/images/profile/no-profile-photo.png)
Internal Medicine
Hepatology
Autoimmune liver diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,794
3,102
0.457
* Last 6 Years Citation Counts Rankings
![Alexandra Bargiota](https://cdn.adscientificindex.com/pictures/a2/1838537.jpg)
Medicine
Endocrinology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,858
2,086
0.730
* Last 6 Years Citation Counts Rankings
![Andreas Kapsoritakis](https://cdn.adscientificindex.com/pictures/2f/1838854.jpg)
Internal Medicine Gastroenterology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,209
1,147
0.357
* Last 6 Years Citation Counts Rankings
![Anna Maria Louka](https://cdn.adscientificindex.com/pictures/8e/5582104.jpg)
Internal Medicine
Cardiology
Cardiovascular prevention
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
78
78
1.000
* Last 6 Years Citation Counts Rankings
![Perifanos G](https://cdn.adscientificindex.com/pictures/7a/5252389.jpg)
Internal Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
12
0.706
George Dalekos
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,016
13,720
0.548
Internal Medicine
Liver Diseases
Clinical Immunology
Viral and Autoimmune Liver Diseases
Zoonotic Infectious Diseases
George Ntaios
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,350
10,589
0.738
Internal Medicine
Cardiovascular Medicine
Stroke Medicine
Nikolaos Gatselis
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,018
4,753
0.677
Medicine
Internal Medicine
Hepatology
Infectious Diseases
Stefanidis Ioannis
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,126
4,550
0.449
Konstantinos Makaritsis
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,473
4,125
0.637
Cardiovascular Medicine - Hypertension - Atherosclerosis - Stroke
Kalliopi Zachou
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,794
3,102
0.457
Internal Medicine
Hepatology
Autoimmune liver diseases
Alexandra Bargiota
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,858
2,086
0.730
Medicine
Endocrinology
Andreas Kapsoritakis
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,209
1,147
0.357
Internal Medicine Gastroenterology
Anna Maria Louka
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
78
78
1.000
Internal Medicine
Cardiology
Cardiovascular prevention
Perifanos G
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
12
0.706