Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Gastroenterology & Hepatology
SubField 2:
Cardiovascular System & Hematology
Rank in SubField 1: 327 out of 108,265 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 20,713 | 20,047 |
| Total Cites | 55,443 | 64,744 |
| H-index | 107 | 116 |
| Hm-index | 37 | 40 |
| Number of Single Authored Papers | 15 | 15 |
| Total Cites to Single Authored Papers | 14 | 14 |
| Number of Single+First Authored Papers | 62 | 62 |
| Total Cites to Single+First Authored Papers | 1,605 | 1,989 |
| Number of Single+First+Last Authored Papers | 930 | 930 |
| Total Cites to Single+First+Last Authored Papers | 25,550 | 29,099 |
| Composite Score | 3 | 4 |
| Number of Distinct Citing Papers | 45,835 | 49,795 |
| Ratio of Total Citations to Distinct Citing Papers | 1.21 | 1.30 |
| Self-Citation Percentage |
14.37%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Gastroenterology & Hepatology
SubField 2:
Cardiovascular System & Hematology
Rank in SubField 1: 330 out of 103,730 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 20,942 | 20,136 |
| Total Cites | 51,158 | 59,847 |
| H-index | 103 | 113 |
| Hm-index | 36 | 39 |
| Number of Single Authored Papers | 15 | 15 |
| Total Cites to Single Authored Papers | 12 | 12 |
| Number of Single+First Authored Papers | 62 | 62 |
| Total Cites to Single+First Authored Papers | 1,578 | 1,963 |
| Number of Single+First+Last Authored Papers | 926 | 926 |
| Total Cites to Single+First+Last Authored Papers | 24,123 | 27,560 |
| Composite Score | 3 | 4 |
| Number of Distinct Citing Papers | 42,201 | 45,807 |
| Ratio of Total Citations to Distinct Citing Papers | 1.21 | 1.31 |
| Self-Citation Percentage |
14.52%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Gastroenterology & Hepatology
SubField 2:
Cardiovascular System & Hematology
Rank in SubField 1: 340 out of 98,720 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 20,855 | 20,001 |
| Total Cites | 45,623 | 53,191 |
| H-index | 96 | 106 |
| Hm-index | 35 | 38 |
| Number of Single Authored Papers | 15 | 15 |
| Total Cites to Single Authored Papers | 12 | 12 |
| Number of Single+First Authored Papers | 61 | 61 |
| Total Cites to Single+First Authored Papers | 1,561 | 1,945 |
| Number of Single+First+Last Authored Papers | 915 | 915 |
| Total Cites to Single+First+Last Authored Papers | 22,651 | 25,943 |
| Composite Score | 3 | 4 |
| Number of Distinct Citing Papers | 37,579 | 40,646 |
| Ratio of Total Citations to Distinct Citing Papers | 1.21 | 1.31 |
| Self-Citation Percentage |
14.23%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Gastroenterology & Hepatology
SubField 2:
Cardiovascular System & Hematology
Rank in SubField 1: 326 out of 95,371 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 20,466 | 19,668 |
| Total Cites | 41,035 | 47,907 |
| H-index | 91 | 100 |
| Hm-index | 34 | 36 |
| Number of Single Authored Papers | 15 | 15 |
| Total Cites to Single Authored Papers | 12 | 12 |
| Number of Single+First Authored Papers | 61 | 61 |
| Total Cites to Single+First Authored Papers | 1,526 | 1,908 |
| Number of Single+First+Last Authored Papers | 909 | 909 |
| Total Cites to Single+First+Last Authored Papers | 20,801 | 23,937 |
| Composite Score | 3 | 4 |
| Number of Distinct Citing Papers | 33,774 | 36,493 |
| Ratio of Total Citations to Distinct Citing Papers | 1.21 | 1.31 |
| Self-Citation Percentage |
14.34%
|
|
Chayama, Kazuaki
Hiroshima University Graduate School of Biomedical and Health Sciences,
Japan
2021 Rank: 92,119
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Gastroenterology & Hepatology
SubField 2:
Cardiovascular System & Hematology
Rank in SubField 1: 1,301 out of 91,513 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 92,119 | 95,813 |
| Total Cites | 16,116 | 18,215 |
| H-index | 60 | 65 |
| Hm-index | 18 | 19 |
| Number of Single Authored Papers | 10 | 10 |
| Total Cites to Single Authored Papers | 4 | 4 |
| Number of Single+First Authored Papers | 37 | 37 |
| Total Cites to Single+First Authored Papers | 933 | 1,103 |
| Number of Single+First+Last Authored Papers | 185 | 185 |
| Total Cites to Single+First+Last Authored Papers | 4,613 | 5,287 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 14,244 | 15,292 |
| Ratio of Total Citations to Distinct Citing Papers | 1.13 | 1.19 |
| Self-Citation Percentage |
11.52%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Gastroenterology & Hepatology
SubField 2:
Cardiovascular System & Hematology
Rank in SubField 1: 310 out of 76,367 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 19,192 | 18,612 |
| Total Cites | 34,762 | 40,555 |
| H-index | 86 | 93 |
| Hm-index | 31 | 34 |
| Number of Single Authored Papers | 14 | 14 |
| Total Cites to Single Authored Papers | 12 | 12 |
| Number of Single+First Authored Papers | 60 | 60 |
| Total Cites to Single+First Authored Papers | 1,468 | 1,840 |
| Number of Single+First+Last Authored Papers | 846 | 846 |
| Total Cites to Single+First+Last Authored Papers | 18,180 | 20,986 |
| Composite Score | 3 | 4 |
| Number of Distinct Citing Papers | 28,526 | 30,722 |
| Ratio of Total Citations to Distinct Citing Papers | 1.22 | 1.32 |
| Self-Citation Percentage |
14.28%
|
|
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