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
30,479
Country Rank
10
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Todor Popov](https://cdn.adscientificindex.com/pictures/1c/1396904.jpg)
allergology
asthma
COPD
clinical immunology
urticaria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,950
8,963
0.374
* Total Citation Counts Rankings
World Rank
570,606
Country Rank
399
Institution Rank : 14
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Maria Staevska](/pictures/37/1391686.jpg)
Allergy & Clinical Immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,315
744
0.566
* Total Citation Counts Rankings
World Rank
832,184
Country Rank
769
Institution Rank : 131
![](https://cdn.adscientificindex.com/logos/8217.jpg)
![Bulgaria](/flags/bg.png)
![Rossitza Konakchieva](/user/assets/images/profile/no-profile-photo.png)
Cell Biology
Endocrinology
Immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
628
234
0.373
* Total Citation Counts Rankings
World Rank
1,092,779
Country Rank
1,322
Institution Rank : 54
![](https://cdn.adscientificindex.com/logos/5625.jpg)
![Bulgaria](/flags/bg.png)
![Maria Dencheva](/pictures/2f/4818482.jpg)
allergology
thermovision
dental materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
258
185
0.717
* Total Citation Counts Rankings
World Ranking
30,479
Country Ranking
10
Institution Ranking
1
Todor Popov
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,950
8,963
0.374
![](https://cdn.adscientificindex.com/logos/5625.jpg)
allergology
asthma
COPD
clinical immunology
urticaria
* Total Citation Counts Rankings
World Ranking
570,606
Country Ranking
399
Institution Ranking
14
Maria Staevska
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,315
744
0.566
![](https://cdn.adscientificindex.com/logos/5625.jpg)
Allergy & Clinical Immunology
* Total Citation Counts Rankings
World Ranking
832,184
Country Ranking
769
Institution Ranking
131
Rossitza Konakchieva
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
628
234
0.373
![](https://cdn.adscientificindex.com/logos/8217.jpg)
Cell Biology
Endocrinology
Immunology
* Total Citation Counts Rankings
World Ranking
1,092,779
Country Ranking
1,322
Institution Ranking
54
Maria Dencheva
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
258
185
0.717
![](https://cdn.adscientificindex.com/logos/5625.jpg)
allergology
thermovision
dental materials