Citation Rankings
Highly Cited Researchers

Medical and Health Sciences Highly Cited Researchers 6 Scientists Citation in South Africa Rankings - 2025

The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.

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Total 6 scientists
* Total Citation Counts Rankings
Ranking Based On Selection: 1
South Africa
Liesl Zuhlke
Paediatric Cardiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
74,628
57,065
0.765
* Total Citation Counts Rankings
Ranking Based On Selection: 2
South Africa
John Lawrenson
Paediatric Cardiology Rheumatic Heart Disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,083
920
0.442
* Total Citation Counts Rankings
Ranking Based On Selection: 3
South Africa
Christopher Sutton
Paediatric Cardiology
Haemophilia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,132
657
0.580
* Total Citation Counts Rankings
Ranking Based On Selection: 4
South Africa
Rik De Decker
Pediatric cardiology
cardiogenetics
medical education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
329
186
0.565
* Total Citation Counts Rankings
Ranking Based On Selection: 5
South Africa
George Comitis
Paediatric Cardiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
184
152
0.826
* Total Citation Counts Rankings
Ranking Based On Selection: 6
South Africa
Thomas Aldersley|Thomas J Aldersley
Paediatric Cardiology Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47
46
0.979
* Total Citation Counts Rankings
Rankings
5,403
South Africa
15
7
Ranking Based On Selection: 1
Liesl Zuhlke
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
74,628
57,065
0.765
* Total Citation Counts Rankings
Rankings
435,983
South Africa
2,070
377
Ranking Based On Selection: 2
John Lawrenson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,083
920
0.442
* Total Citation Counts Rankings
Rankings
643,708
South Africa
3,257
22
Ranking Based On Selection: 3
Christopher Sutton
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,132
657
0.580
* Total Citation Counts Rankings
Rankings
1,102,546
South Africa
6,522
880
Ranking Based On Selection: 4
Rik De Decker
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
329
186
0.565
Pediatric cardiology
cardiogenetics
medical education
* Total Citation Counts Rankings
Rankings
1,349,943
South Africa
8,679
1,060
Ranking Based On Selection: 5
George Comitis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
184
152
0.826
* Total Citation Counts Rankings
Rankings
1,867,707
South Africa
13,468
1,403
Ranking Based On Selection: 6
Thomas Aldersley|Thomas J Aldersley
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47
46
0.979