Citation Rankings
Highly Cited Researchers

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The Citation Rankings (Highly Cited Researchers) 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 5 scientist
* Total Citation Counts Rankings
Ranking Based On Selection :1
United Kingdom
Lucy Chappell
pregnancy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,179
31,123
0.837
* Total Citation Counts Rankings
Ranking Based On Selection :2
United Kingdom
Catherine Williamson
Molecular
Biology
Obstetrics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,514
26,504
0.726
* Total Citation Counts Rankings
Ranking Based On Selection :3
United Kingdom
Nicholas Kametas
Pregnancy
Hypertension
Pre-eclampsia
Diabetes
Perinatal mortality
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,590
5,332
0.621
* Total Citation Counts Rankings
Ranking Based On Selection :4
United Kingdom
Gautam Mehra
Gynaecological Cancer
Robotics
Minimal access Surgery
Tumour location
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,316
3,061
0.923
* Total Citation Counts Rankings
Ranking Based On Selection :5
United Kingdom
Surabhi Nanda
Obstetrics
Maternal Fetal Medicine
Critical care Obstetrics
Multiple pregnancy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
729
362
0.497
* Total Citation Counts Rankings
Rankings
16,138
United Kingdom
1,403
74
Ranking Based On Selection: 1
Lucy Chappell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,179
31,123
0.837
* Total Citation Counts Rankings
Rankings
16,587
United Kingdom
1,447
79
Ranking Based On Selection: 2
Catherine Williamson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,514
26,504
0.726
* Total Citation Counts Rankings
Rankings
117,780
United Kingdom
9,597
397
Ranking Based On Selection: 3
Nicholas Kametas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,590
5,332
0.621
Pregnancy
Hypertension
Pre-eclampsia
Diabetes
Perinatal mortality
* Total Citation Counts Rankings
Rankings
298,767
United Kingdom
21,454
752
Ranking Based On Selection: 4
Gautam Mehra
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,316
3,061
0.923
Gynaecological Cancer
Robotics
Minimal access Surgery
Tumour location
* Total Citation Counts Rankings
Rankings
795,453
United Kingdom
45,863
1,483
Ranking Based On Selection: 5
Surabhi Nanda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
729
362
0.497
Obstetrics
Maternal Fetal Medicine
Critical care Obstetrics
Multiple pregnancy