Johnson, Alan P.
Public Health England,
United Kingdom
2025 Rank: 44539
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
Microbiology
SubField 2:
Epidemiology
Rank in SubField 1: 1120 out of 217955 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 44539 | 47567 |
| Total Cites | 9240 | 10290 |
| H-index | 51 | 55 |
| Hm-index | 20 | 21 |
| Number of Single Authored Papers | 23 | 23 |
| Total Cites to Single Authored Papers | 514 | 530 |
| Number of Single+First Authored Papers | 77 | 77 |
| Total Cites to Single+First Authored Papers | 2350 | 2517 |
| Number of Single+First+Last Authored Papers | 98 | 98 |
| Total Cites to Single+First+Last Authored Papers | 3165 | 3403 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 8300 | 8915 |
| Ratio of Total Citations to Distinct Citing Papers | 1.11 | 1.15 |
| Self-Citation Percentage |
10.20%
|
|
Johnson, Alan P.
Public Health England,
United Kingdom
2020 Rank: 36639
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
Microbiology
SubField 2:
Epidemiology
Rank in SubField 1: 894 out of 134369 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 36639 | 38359 |
| Total Cites | 7793 | 8863 |
| H-index | 45 | 49 |
| Hm-index | 18 | 19 |
| Number of Single Authored Papers | 25 | 25 |
| Total Cites to Single Authored Papers | 392 | 407 |
| Number of Single+First Authored Papers | 88 | 88 |
| Total Cites to Single+First Authored Papers | 1961 | 2124 |
| Number of Single+First+Last Authored Papers | 118 | 118 |
| Total Cites to Single+First+Last Authored Papers | 2572 | 2794 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 6947 | 7587 |
| Ratio of Total Citations to Distinct Citing Papers | 1.12 | 1.17 |
| Self-Citation Percentage |
12.07%
|
|
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