United StatesOverall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Emergency & Critical Care Medicine
SubField 2:
General & Internal Medicine
Rank in SubField 1: 178 out of 41,816 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 55,041 | 63,117 |
| Total Cites | 4,811 | 4,999 |
| H-index | 35 | 37 |
| Hm-index | 19 | 19 |
| Number of Single Authored Papers | 58 | 58 |
| Total Cites to Single Authored Papers | 694 | 710 |
| Number of Single+First Authored Papers | 83 | 83 |
| Total Cites to Single+First Authored Papers | 2,671 | 2,739 |
| Number of Single+First+Last Authored Papers | 119 | 119 |
| Total Cites to Single+First+Last Authored Papers | 3,893 | 3,993 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,967 | 4,086 |
| Ratio of Total Citations to Distinct Citing Papers | 1.21 | 1.22 |
| Self-Citation Percentage |
3.76%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Emergency & Critical Care Medicine
SubField 2:
General & Internal Medicine
Rank in SubField 1: 171 out of 39,519 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 52,052 | 59,753 |
| Total Cites | 4,643 | 4,828 |
| H-index | 35 | 37 |
| Hm-index | 19 | 19 |
| Number of Single Authored Papers | 58 | 58 |
| Total Cites to Single Authored Papers | 672 | 688 |
| Number of Single+First Authored Papers | 83 | 83 |
| Total Cites to Single+First Authored Papers | 2,577 | 2,645 |
| Number of Single+First+Last Authored Papers | 119 | 119 |
| Total Cites to Single+First+Last Authored Papers | 3,750 | 3,850 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,815 | 3,931 |
| Ratio of Total Citations to Distinct Citing Papers | 1.22 | 1.23 |
| Self-Citation Percentage |
3.83%
|
|
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Emergency & Critical Care Medicine
SubField 2:
General & Internal Medicine
Rank in SubField 1: 157 out of 37,023 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 48,419 | 56,690 |
| Total Cites | 4,501 | 4,686 |
| H-index | 35 | 36 |
| Hm-index | 19 | 19 |
| Number of Single Authored Papers | 58 | 58 |
| Total Cites to Single Authored Papers | 661 | 677 |
| Number of Single+First Authored Papers | 83 | 83 |
| Total Cites to Single+First Authored Papers | 2,501 | 2,569 |
| Number of Single+First+Last Authored Papers | 119 | 119 |
| Total Cites to Single+First+Last Authored Papers | 3,631 | 3,731 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,684 | 3,800 |
| Ratio of Total Citations to Distinct Citing Papers | 1.22 | 1.23 |
| Self-Citation Percentage |
3.95%
|
|
Callaham, Michael L.
Annals of Emergency Medicine,
2022 Rank: 45,047
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Emergency & Critical Care Medicine
SubField 2:
General & Internal Medicine
Rank in SubField 1: 143 out of 34,180 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 45,047 | 52,912 |
| Total Cites | 4,272 | 4,451 |
| H-index | 35 | 36 |
| Hm-index | 19 | 19 |
| Number of Single Authored Papers | 57 | 57 |
| Total Cites to Single Authored Papers | 624 | 639 |
| Number of Single+First Authored Papers | 81 | 81 |
| Total Cites to Single+First Authored Papers | 2,384 | 2,449 |
| Number of Single+First+Last Authored Papers | 116 | 116 |
| Total Cites to Single+First+Last Authored Papers | 3,444 | 3,539 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,492 | 3,604 |
| Ratio of Total Citations to Distinct Citing Papers | 1.22 | 1.24 |
| Self-Citation Percentage |
4.02%
|
|
Callaham, Michael L.
University of California, San Francisco,
2021 Rank: 43,633
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Emergency & Critical Care Medicine
SubField 2:
General & Internal Medicine
Rank in SubField 1: 137 out of 31,838 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 43,633 | 51,410 |
| Total Cites | 4,109 | 4,275 |
| H-index | 35 | 36 |
| Hm-index | 19 | 19 |
| Number of Single Authored Papers | 57 | 57 |
| Total Cites to Single Authored Papers | 600 | 610 |
| Number of Single+First Authored Papers | 81 | 81 |
| Total Cites to Single+First Authored Papers | 2,287 | 2,342 |
| Number of Single+First+Last Authored Papers | 116 | 116 |
| Total Cites to Single+First+Last Authored Papers | 3,310 | 3,392 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,352 | 3,455 |
| Ratio of Total Citations to Distinct Citing Papers | 1.23 | 1.24 |
| Self-Citation Percentage |
3.88%
|
|
Callaham, Michael L.
University of California, San Francisco,
2020 Rank: 40,255
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Emergency & Critical Care Medicine
SubField 2:
General & Internal Medicine
Rank in SubField 1: 147 out of 28,564 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 40,255 | 47,493 |
| Total Cites | 3,910 | 4,073 |
| H-index | 34 | 35 |
| Hm-index | 19 | 19 |
| Number of Single Authored Papers | 56 | 56 |
| Total Cites to Single Authored Papers | 585 | 595 |
| Number of Single+First Authored Papers | 80 | 80 |
| Total Cites to Single+First Authored Papers | 2,204 | 2,259 |
| Number of Single+First+Last Authored Papers | 115 | 115 |
| Total Cites to Single+First+Last Authored Papers | 3,136 | 3,216 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,168 | 3,268 |
| Ratio of Total Citations to Distinct Citing Papers | 1.23 | 1.25 |
| Self-Citation Percentage |
4.00%
|
|
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