Chapman, Roger W.
Nuffield Department of Medicine,
United Kingdom
2024 Rank: 55868
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Gastroenterology & Hepatology
SubField 2:
General & Internal Medicine
Rank in SubField 1: 619 out of 103730 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 55868 | 55358 |
| Total Cites | 845 | 966 |
| H-index | 15 | 17 |
| Hm-index | 4 | 4 |
| Number of Single Authored Papers | 35 | 35 |
| Total Cites to Single Authored Papers | 15 | 15 |
| Number of Single+First Authored Papers | 64 | 64 |
| Total Cites to Single+First Authored Papers | 134 | 135 |
| Number of Single+First+Last Authored Papers | 161 | 161 |
| Total Cites to Single+First+Last Authored Papers | 230 | 232 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 536 | 565 |
| Ratio of Total Citations to Distinct Citing Papers | 1.58 | 1.71 |
| Self-Citation Percentage |
12.53%
|
|
Chapman, Roger W.
Nuffield Department of Medicine,
United Kingdom
2023 Rank: 92103
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Gastroenterology & Hepatology
SubField 2:
General & Internal Medicine
Rank in SubField 1: 1010 out of 98720 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 92103 | 84131 |
| Total Cites | 713 | 843 |
| H-index | 12 | 14 |
| Hm-index | 3 | 4 |
| Number of Single Authored Papers | 34 | 34 |
| Total Cites to Single Authored Papers | 9 | 11 |
| Number of Single+First Authored Papers | 60 | 60 |
| Total Cites to Single+First Authored Papers | 116 | 124 |
| Number of Single+First+Last Authored Papers | 157 | 157 |
| Total Cites to Single+First+Last Authored Papers | 211 | 226 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 505 | 544 |
| Ratio of Total Citations to Distinct Citing Papers | 1.41 | 1.55 |
| Self-Citation Percentage |
15.42%
|
|
Chapman, Roger W.
Nuffield Department of Clinical Medicine,
United Kingdom
2020 Rank: 55479
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Gastroenterology & Hepatology
SubField 2:
Immunology
Rank in SubField 1: 599 out of 76367 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 55479 | 54360 |
| Total Cites | 827 | 990 |
| H-index | 15 | 16 |
| Hm-index | 5 | 5 |
| Number of Single Authored Papers | 31 | 31 |
| Total Cites to Single Authored Papers | 12 | 13 |
| Number of Single+First Authored Papers | 56 | 56 |
| Total Cites to Single+First Authored Papers | 141 | 151 |
| Number of Single+First+Last Authored Papers | 149 | 149 |
| Total Cites to Single+First+Last Authored Papers | 290 | 312 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 560 | 622 |
| Ratio of Total Citations to Distinct Citing Papers | 1.48 | 1.59 |
| Self-Citation Percentage |
16.46%
|
|
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