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Chapman, Roger W.

Chapman, Roger W.

Nuffield Department of Medicine, United Kingdom

2024 Rank: 55,868

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 103,730 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score55,86855,358
Total Cites845966
H-index1517
Hm-index44
Number of Single Authored Papers3535
Total Cites to Single Authored Papers1515
Number of Single+First Authored Papers6464
Total Cites to Single+First Authored Papers134135
Number of Single+First+Last Authored Papers161161
Total Cites to Single+First+Last Authored Papers230232
Composite Score22
Number of Distinct Citing Papers536565
Ratio of Total Citations to Distinct Citing Papers 1.58 1.71
Self-Citation Percentage
12.53%
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Chapman, Roger W.

Chapman, Roger W.

Nuffield Department of Medicine, United Kingdom

2023 Rank: 92,103

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: 1,010 out of 98,720 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score92,10384,131
Total Cites713843
H-index1214
Hm-index34
Number of Single Authored Papers3434
Total Cites to Single Authored Papers911
Number of Single+First Authored Papers6060
Total Cites to Single+First Authored Papers116124
Number of Single+First+Last Authored Papers157157
Total Cites to Single+First+Last Authored Papers211226
Composite Score22
Number of Distinct Citing Papers505544
Ratio of Total Citations to Distinct Citing Papers 1.41 1.55
Self-Citation Percentage
15.42%
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Chapman, Roger W.

Chapman, Roger W.

Nuffield Department of Clinical Medicine, United Kingdom

2020 Rank: 55,479

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 76,367 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score55,47954,360
Total Cites827990
H-index1516
Hm-index55
Number of Single Authored Papers3131
Total Cites to Single Authored Papers1213
Number of Single+First Authored Papers5656
Total Cites to Single+First Authored Papers141151
Number of Single+First+Last Authored Papers149149
Total Cites to Single+First+Last Authored Papers290312
Composite Score23
Number of Distinct Citing Papers560622
Ratio of Total Citations to Distinct Citing Papers 1.48 1.59
Self-Citation Percentage
16.46%
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