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
1,582,087
Country Rank
2,532
Institution Rank : 97
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Valeria Mateeva](/pictures/f1/5110017.jpg)
Dermatology and Venereology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
58
48
0.828
* Total Citation Counts Rankings
World Rank
1,589,236
Country Rank
2,554
Institution Rank : 98
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Lena Sechanova](/user/assets/images/profile/no-profile-photo.png)
Medical Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57
18
0.316
* Total Citation Counts Rankings
World Rank
1,593,668
Country Rank
2,567
Institution Rank : 99
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Vasil Haykin](/pictures/5c/5452478.jpg)
medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
56
41
0.732
* Total Citation Counts Rankings
World Rank
1,605,325
Country Rank
2,590
Institution Rank : 318
![](https://cdn.adscientificindex.com/logos/8217.jpg)
![Bulgaria](/flags/bg.png)
![Mila Dragomirova](/user/assets/images/profile/no-profile-photo.png)
Optometry
Eye optics
Knowledge management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54
35
0.648
* Total Citation Counts Rankings
World Rank
1,628,677
Country Rank
2,643
Institution Rank : 100
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Milka Dikova](/user/assets/images/profile/no-profile-photo.png)
skeletal dysplasias
perioperative medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50
37
0.740
* Total Citation Counts Rankings
World Rank
1,654,198
Country Rank
2,710
Institution Rank : 101
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Alina Levi](/pictures/75/5058054.jpg)
Ophthalmology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46
31
0.674
* Total Citation Counts Rankings
World Rank
1,665,138
Country Rank
16,177
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/14950.jpg)
![Pakistan](/flags/pk.png)
![Sofia Shehzad](/user/assets/images/profile/no-profile-photo.png)
Public Health
medical Education
Research
Community Dentistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44
43
0.977
* Total Citation Counts Rankings
World Rank
1,668,454
Country Rank
2,740
Institution Rank : 102
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Стефан Янев](/pictures/8a/5201820.jpg)
Кинезитерапия/ Physiotherapy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44
18
0.409
* Total Citation Counts Rankings
World Rank
1,677,019
Country Rank
2,766
Institution Rank : 103
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Viktoria Ilieva](/user/assets/images/profile/no-profile-photo.png)
Anesthesiology and Intensive care
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42
42
1.000
* Total Citation Counts Rankings
World Rank
1,688,911
Country Rank
2,791
Institution Rank : 104
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Denislav Emilov](/pictures/f7/5288985.jpg)
Periodontology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41
24
0.585
* Total Citation Counts Rankings
World Rank
1,692,141
Country Rank
2,795
Institution Rank : 105
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Petar Kalaydzhiev](/pictures/15/5460844.jpg)
Cardiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40
40
1.000
* Total Citation Counts Rankings
World Rank
1,693,883
Country Rank
2,798
Institution Rank : 106
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Elvira Gyulbenkiyan](/user/assets/images/profile/no-profile-photo.png)
endodontics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40
37
0.925
* Total Citation Counts Rankings
World Rank
1,709,575
Country Rank
2,831
Institution Rank : 107
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Christina Mihailova](/user/assets/images/profile/no-profile-photo.png)
diagnostic imaging
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38
31
0.816
* Total Citation Counts Rankings
World Rank
1,710,990
Country Rank
2,839
Institution Rank : 108
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Давид Кънчев](/pictures/67/5201425.jpg)
Physical Therapy
Physiotherapy
Кинезитерапия
Рехабилитация
Обществено здраве
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38
22
0.579
* Total Citation Counts Rankings
World Rank
1,715,906
Country Rank
2,845
Institution Rank : 109
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Sergei Slavov](/pictures/a4/5204223.jpg)
Obstetrics and Assisted reproduction
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37
35
0.946
* Total Citation Counts Rankings
World Rank
1,738,899
Country Rank
2,903
Institution Rank : 110
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Violeta Getova](/user/assets/images/profile/no-profile-photo.png)
social pharmacy
pharmacovigilance
clinical trials
pharmaceutical regulation
pharmacology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34
33
0.971
* Total Citation Counts Rankings
World Rank
1,763,916
Country Rank
2,969
Institution Rank : 111
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Alexandrina Mateeva|Alexandrina Dineva](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31
31
1.000
* Total Citation Counts Rankings
World Rank
1,767,749
Country Rank
2,983
Institution Rank : 112
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Ivanka Taneva](/user/assets/images/profile/no-profile-photo.png)
Surgery
oncology
biomarker
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31
19
0.613
* Total Citation Counts Rankings
World Rank
1,769,574
Country Rank
9,303
Institution Rank : 326
![](https://cdn.adscientificindex.com/logos/11194.png)
![Romania](/flags/ro.png)
![Ene Iozon Sofia](/pictures/5a/5237973.jpg)
Dental medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30
30
1.000
* Total Citation Counts Rankings
World Rank
1,770,130
Country Rank
2,992
Institution Rank : 113
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Sevda Yantcheva](/user/assets/images/profile/no-profile-photo.png)
dentistry
dental materials
dental composites
endodontics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30
30
1.000
* Total Citation Counts Rankings
World Rank
1,805,155
Country Rank
3,092
Institution Rank : 114
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Aleksandar Apostolov](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
9
0.333
* Total Citation Counts Rankings
World Rank
1,819,018
Country Rank
18,464
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/14950.jpg)
![Pakistan](/flags/pk.png)
![Sofia Durrani](/user/assets/images/profile/no-profile-photo.png)
Oral Pathology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25
25
1.000
* Total Citation Counts Rankings
World Rank
1,828,938
Country Rank
3,149
Institution Rank : 115
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Svetla Staykova](/user/assets/images/profile/no-profile-photo.png)
Psychology
Child Psychiatry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24
24
1.000
* Total Citation Counts Rankings
World Rank
1,830,672
Country Rank
3,154
Institution Rank : 116
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Svetla Dineva](/pictures/ae/5464971.jpg)
Cardiovascular diseases
Interventional radiology
Congenital heart malformations
oncology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24
23
0.958
* Total Citation Counts Rankings
World Rank
1,835,688
Country Rank
3,179
Institution Rank : 117
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Ivelina Mihaleva](/pictures/0b/5335823.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23
23
1.000
* Total Citation Counts Rankings
World Ranking
1,582,087
Country Ranking
2,532
Institution Ranking
97
Valeria Mateeva
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
58
48
0.828
![](https://cdn.adscientificindex.com/logos/5625.jpg)
Dermatology and Venereology
* Total Citation Counts Rankings
World Ranking
1,589,236
Country Ranking
2,554
Institution Ranking
98
Lena Sechanova
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57
18
0.316
![](https://cdn.adscientificindex.com/logos/5625.jpg)
Medical Microbiology
* Total Citation Counts Rankings
World Ranking
1,593,668
Country Ranking
2,567
Institution Ranking
99
Vasil Haykin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
56
41
0.732
* Total Citation Counts Rankings
World Ranking
1,605,325
Country Ranking
2,590
Institution Ranking
318
Mila Dragomirova
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54
35
0.648
![](https://cdn.adscientificindex.com/logos/8217.jpg)
Optometry
Eye optics
Knowledge management
* Total Citation Counts Rankings
World Ranking
1,628,677
Country Ranking
2,643
Institution Ranking
100
Milka Dikova
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50
37
0.740
![](https://cdn.adscientificindex.com/logos/5625.jpg)
skeletal dysplasias
perioperative medicine
* Total Citation Counts Rankings
World Ranking
1,654,198
Country Ranking
2,710
Institution Ranking
101
Alina Levi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46
31
0.674
* Total Citation Counts Rankings
World Ranking
1,665,138
Country Ranking
16,177
Institution Ranking
4
Sofia Shehzad
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44
43
0.977
* Total Citation Counts Rankings
World Ranking
1,668,454
Country Ranking
2,740
Institution Ranking
102
Стефан Янев
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44
18
0.409
![](https://cdn.adscientificindex.com/logos/5625.jpg)
Кинезитерапия/ Physiotherapy
* Total Citation Counts Rankings
World Ranking
1,677,019
Country Ranking
2,766
Institution Ranking
103
Viktoria Ilieva
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42
42
1.000
![](https://cdn.adscientificindex.com/logos/5625.jpg)
Anesthesiology and Intensive care
* Total Citation Counts Rankings
World Ranking
1,688,911
Country Ranking
2,791
Institution Ranking
104
Denislav Emilov
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41
24
0.585
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* Total Citation Counts Rankings
World Ranking
1,692,141
Country Ranking
2,795
Institution Ranking
105
Petar Kalaydzhiev
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40
40
1.000
* Total Citation Counts Rankings
World Ranking
1,693,883
Country Ranking
2,798
Institution Ranking
106
Elvira Gyulbenkiyan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40
37
0.925
* Total Citation Counts Rankings
World Ranking
1,709,575
Country Ranking
2,831
Institution Ranking
107
Christina Mihailova
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38
31
0.816
* Total Citation Counts Rankings
World Ranking
1,710,990
Country Ranking
2,839
Institution Ranking
108
Давид Кънчев
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38
22
0.579
![](https://cdn.adscientificindex.com/logos/5625.jpg)
Physical Therapy
Physiotherapy
Кинезитерапия
Рехабилитация
Обществено здраве
* Total Citation Counts Rankings
World Ranking
1,715,906
Country Ranking
2,845
Institution Ranking
109
Sergei Slavov
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37
35
0.946
![](https://cdn.adscientificindex.com/logos/5625.jpg)
Obstetrics and Assisted reproduction
* Total Citation Counts Rankings
World Ranking
1,738,899
Country Ranking
2,903
Institution Ranking
110
Violeta Getova
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34
33
0.971
![](https://cdn.adscientificindex.com/logos/5625.jpg)
social pharmacy
pharmacovigilance
clinical trials
pharmaceutical regulation
pharmacology
* Total Citation Counts Rankings
World Ranking
1,763,916
Country Ranking
2,969
Institution Ranking
111
Alexandrina Mateeva|Alexandrina Dineva
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31
31
1.000
* Total Citation Counts Rankings
World Ranking
1,767,749
Country Ranking
2,983
Institution Ranking
112
Ivanka Taneva
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31
19
0.613
![](https://cdn.adscientificindex.com/logos/5625.jpg)
Surgery
oncology
biomarker
* Total Citation Counts Rankings
World Ranking
1,769,574
Country Ranking
9,303
Institution Ranking
326
Ene Iozon Sofia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30
30
1.000
* Total Citation Counts Rankings
World Ranking
1,770,130
Country Ranking
2,992
Institution Ranking
113
Sevda Yantcheva
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30
30
1.000
![](https://cdn.adscientificindex.com/logos/5625.jpg)
dentistry
dental materials
dental composites
endodontics
* Total Citation Counts Rankings
World Ranking
1,805,155
Country Ranking
3,092
Institution Ranking
114
Aleksandar Apostolov
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
9
0.333
* Total Citation Counts Rankings
World Ranking
1,819,018
Country Ranking
18,464
Institution Ranking
7
Sofia Durrani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25
25
1.000
* Total Citation Counts Rankings
World Ranking
1,828,938
Country Ranking
3,149
Institution Ranking
115
Svetla Staykova
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24
24
1.000
![](https://cdn.adscientificindex.com/logos/5625.jpg)
Psychology
Child Psychiatry
* Total Citation Counts Rankings
World Ranking
1,830,672
Country Ranking
3,154
Institution Ranking
116
Svetla Dineva
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24
23
0.958
![](https://cdn.adscientificindex.com/logos/5625.jpg)
Cardiovascular diseases
Interventional radiology
Congenital heart malformations
oncology
* Total Citation Counts Rankings
World Ranking
1,835,688
Country Ranking
3,179
Institution Ranking
117
Ivelina Mihaleva
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23
23
1.000