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)
![Matthias Klein](https://cdn.adscientificindex.com/pictures/82/1761805.jpg)
Meningitis
Emergency Medicine
CNS Infections
Encephalitis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,045
27,827
0.604
* Last 6 Years Citation Counts Rankings
![Markus Albertsmeier](https://cdn.adscientificindex.com/pictures/5d/1762044.jpg)
surgery
intensive care
surgical oncology
emergency medicine
sarcoma
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,572
2,931
0.821
Matthias Klein
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,045
27,827
0.604
Meningitis
Emergency Medicine
CNS Infections
Encephalitis
Markus Albertsmeier
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,572
2,931
0.821
surgery
intensive care
surgical oncology
emergency medicine
sarcoma