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)
![Alexej Barg](https://cdn.adscientificindex.com/pictures/84/4700855.jpg)
Orthopaedic Surgery
Foot & Ankle Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,304
6,353
0.617
![Michael Morlock](https://cdn.adscientificindex.com/pictures/fc/1780748.jpg)
Biomechanics
Orthopedics
Joint Replacement
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,698
5,238
0.382
* Last 6 Years Citation Counts Rankings
![Matthias Krause](https://cdn.adscientificindex.com/pictures/56/4703223.jpg)
knee surgery
ACL
PCL
osteotomy
multiligament
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,235
3,100
0.732
* Last 6 Years Citation Counts Rankings
![Marc Dreimann](/user/assets/images/profile/no-profile-photo.png)
Orthopädie
Unfallchirurgie
Wirbelsäule
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,343
721
0.537
Alexej Barg
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,304
6,353
0.617
Orthopaedic Surgery
Foot & Ankle Surgery
Michael Morlock
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,698
5,238
0.382
Biomechanics
Orthopedics
Joint Replacement
Matthias Krause
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,235
3,100
0.732
knee surgery
ACL
PCL
osteotomy
multiligament
Marc Dreimann
Universität Hamburg
Hamburg, Germany
![Germany](/flags/de.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,343
721
0.537
Orthopädie
Unfallchirurgie
Wirbelsäule