![John R Ouma](/user/assets/images/profile/no-profile-photo.png)
John R Ouma
Medical and Health Sciences / Neurosurgery
AD Scientific Index ID: 4638130
Universiteit van die Witwatersrand
John R Ouma Academic Profile: Rankings
In University of the Witwatersrand
1,794
Scientists
Scientists
In South Africa
19,036
Scientists
Scientists
In Africa
169,810
Scientists
Scientists
In World
2,403,032
Scientists
Scientists
Citation Index
H-Index
i-10 Index
Scores
H-Index
40.97%
#735
H-Index
39.71%
#7,560
H-Index
H-Index
H Index
8
Total Ranks
i-10 Index
37.29%
#669
i-10 Index
36.58%
#6,963
i-10 Index
i-10 Index
i-10 Index
8
Citation Index
38.63%
#693
Citation Index
37.43%
#7,126
Citation Index
Citation Index
Citations
276
H-Index
50.72%
#910
H-Index
50.02%
#9,521
H-Index
H-Index
H Index
5
Last 6 Years Ranks
i-10 Index
55.41%
#994
i-10 Index
53.6%
#10,204
i-10 Index
i-10 Index
i-10 Index
2
Citation Index
51.67%
#927
Citation Index
51.06%
#9,720
Citation Index
Citation Index
Citations
96
Medical and Health Sciences*
In University of the Witwatersrand
213
Scientists
Scientists
In South Africa
1,913
Scientists
Scientists
In Africa
23,164
Scientists
Scientists
In World
231,199
Scientists
Scientists
Rank
59.62%
#127
Rank
62.15%
#1,189
Rank
Rank
Neurosurgery*
In University of the Witwatersrand
1
Scientists
Scientists
In South Africa
9
Scientists
Scientists
In Africa
208
Scientists
Scientists
In World
2,718
Scientists
Scientists
Rank
100%
#1
Rank
77.78%
#7
Rank
Rank
* Feb 16, 2025 | According to Total H Index | BETA VERSION
Join our list to unlock premium membership benefits and view the full version of your profile – click here. Notice: Please note that the subject field rankings for the world, region, country, and university are in the Beta Version due to the exclusion of profiles classified under 'Others' (888.752 scientists whose branches have not been determined or updated). These rankings will adjust as profiles are updated.
Reporting Inappropriate Profiles: To report inappropriate, inaccurate, or unethical profiles, including deceased scientists or profiles that require deletion, please contact [email protected]. In line with our Data Privacy Policy, if you wish to have your personal information removed, please email [email protected]. We will delete your data within 5 business days.
Free Updates: To update your university or institution name, please email [email protected] with your AD Scientific Index ID and supporting documentation.
Google Scholar
Visit Web Page
![](https://cdn.adscientificindex.com/logos/11498.jpg)
University / Institution Rankings
University of the Witwatersrand Rankings
AD Scientific Index ID
4638130
Web Of Science Researcher ID
H-Index , Verified Peer Reviews, Citing Articles
ORCID ID
Scopus Author ID
H-Index, Citations, Documents
Researchgate
Research Interest Score, h-index
-
school
Academic Degree