Chapman, Roger W.
Nuffield Department of Medicine,
United Kingdom
2024 Rank: 21334
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: 336 out of 103730 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 21334 | 23009 |
| Total Cites | 15406 | 17992 |
| H-index | 64 | 66 |
| Hm-index | 26 | 27 |
| Number of Single Authored Papers | 35 | 35 |
| Total Cites to Single Authored Papers | 419 | 447 |
| Number of Single+First Authored Papers | 64 | 64 |
| Total Cites to Single+First Authored Papers | 2981 | 3163 |
| Number of Single+First+Last Authored Papers | 161 | 161 |
| Total Cites to Single+First+Last Authored Papers | 6006 | 6507 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 11026 | 12089 |
| Ratio of Total Citations to Distinct Citing Papers | 1.40 | 1.49 |
| Self-Citation Percentage |
14.37%
|
|
Chapman, Roger W.
Nuffield Department of Medicine,
United Kingdom
2023 Rank: 21700
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: 348 out of 98720 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 21700 | 23138 |
| Total Cites | 14243 | 16554 |
| H-index | 61 | 64 |
| Hm-index | 26 | 26 |
| Number of Single Authored Papers | 34 | 34 |
| Total Cites to Single Authored Papers | 400 | 426 |
| Number of Single+First Authored Papers | 60 | 60 |
| Total Cites to Single+First Authored Papers | 2710 | 2896 |
| Number of Single+First+Last Authored Papers | 157 | 157 |
| Total Cites to Single+First+Last Authored Papers | 5663 | 6165 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 10351 | 11379 |
| Ratio of Total Citations to Distinct Citing Papers | 1.38 | 1.45 |
| Self-Citation Percentage |
13.96%
|
|
Chapman, Roger W.
Nuffield Department of Clinical Medicine,
United Kingdom
2020 Rank: 20606
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Gastroenterology & Hepatology
SubField 2:
Immunology
Rank in SubField 1: 334 out of 76367 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 20606 | 20600 |
| Total Cites | 11694 | 13568 |
| H-index | 53 | 59 |
| Hm-index | 23 | 25 |
| Number of Single Authored Papers | 31 | 31 |
| Total Cites to Single Authored Papers | 357 | 379 |
| Number of Single+First Authored Papers | 56 | 56 |
| Total Cites to Single+First Authored Papers | 2349 | 2509 |
| Number of Single+First+Last Authored Papers | 149 | 149 |
| Total Cites to Single+First+Last Authored Papers | 4906 | 5382 |
| Composite Score | 3 | 4 |
| Number of Distinct Citing Papers | 8668 | 9537 |
| Ratio of Total Citations to Distinct Citing Papers | 1.35 | 1.42 |
| Self-Citation Percentage |
13.81%
|
|
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