Citation Rankings
Highly Cited Researchers

Medical and Health Sciences / Occupational Medicine Highly Cited Researchers 9 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 9 scientists, 1 country, 4 institution
* Total Citation Counts Rankings
Ranking Based On Selection: 1
South Africa
Rodney Ehrlich
Occupational and environmental health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,252
2,075
0.286
* Total Citation Counts Rankings
Ranking Based On Selection: 2
South Africa
Fritz Eloff
Occupational Hygiene
Dermal exposure
Biological monitoring
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,406
2,304
0.523
* Total Citation Counts Rankings
Ranking Based On Selection: 3
South Africa
Lisa Wegner
Adolescent risk behaviour
resilience
youth development
leisure
health promotion
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,747
1,292
0.470
* Total Citation Counts Rankings
Ranking Based On Selection: 4
South Africa
Jeffrey Bagraim
Work-family
Commitment
Occupational Health Psychology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,115
762
0.360
* Total Citation Counts Rankings
Ranking Based On Selection: 5
South Africa
Lana Van Niekerk
Occupational Therapy
Occupational Science
Supported Employment
Subsistence Entrepreneurship
Community Mobility
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,627
1,031
0.634
* Total Citation Counts Rankings
Ranking Based On Selection: 6
South Africa
Roshan Galvaan
occupational science
occupational therapy
engaged scholarship
school improvement
mental wellbeing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,100
757
0.688
* Total Citation Counts Rankings
Ranking Based On Selection: 8
South Africa
Shahieda Adams
Occupational Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
649
347
0.535
* Total Citation Counts Rankings
Ranking Based On Selection: 9
South Africa
Itumeleng Ntatamala
occupational medicine
public health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41
41
1.000
* Total Citation Counts Rankings
Rankings
143,809
South Africa
572
134
Ranking Based On Selection: 1
Rodney Ehrlich
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,252
2,075
0.286
* Total Citation Counts Rankings
Rankings
235,331
South Africa
987
40
Ranking Based On Selection: 2
Fritz Eloff
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,406
2,304
0.523
Occupational Hygiene
Dermal exposure
Biological monitoring
* Total Citation Counts Rankings
Rankings
352,988
South Africa
1,597
51
Ranking Based On Selection: 3
Lisa Wegner
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,747
1,292
0.470
Adolescent risk behaviour
resilience
youth development
leisure
health promotion
* Total Citation Counts Rankings
Rankings
430,478
South Africa
2,038
371
Ranking Based On Selection: 4
Jeffrey Bagraim
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,115
762
0.360
Work-family
Commitment
Occupational Health Psychology
* Total Citation Counts Rankings
Rankings
516,155
South Africa
2,505
309
Ranking Based On Selection: 5
Lana Van Niekerk
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,627
1,031
0.634
Occupational Therapy
Occupational Science
Supported Employment
Subsistence Entrepreneurship
Community Mobility
* Total Citation Counts Rankings
Rankings
652,723
South Africa
3,303
550
Ranking Based On Selection: 6
Roshan Galvaan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,100
757
0.688
occupational science
occupational therapy
engaged scholarship
school improvement
mental wellbeing
* Total Citation Counts Rankings
Rankings
774,296
South Africa
4,033
211
Ranking Based On Selection: 7
Anja Franken
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
782
530
0.678
* Total Citation Counts Rankings
Rankings
837,842
South Africa
4,430
687
Ranking Based On Selection: 8
Shahieda Adams
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
649
347
0.535
* Total Citation Counts Rankings
Rankings
1,939,562
South Africa
13,871
1,422
Ranking Based On Selection: 9
Itumeleng Ntatamala
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41
41
1.000
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