Johnston, Lloyd D.
University of Michigan, Ann Arbor,
United States
2025 Rank: 141,275
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Public Health & Health Services
SubField 1:
Substance Abuse
SubField 2:
Public Health
Rank in SubField 1: 310 out of 17,312 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 141,275 | 147,504 |
| Total Cites | 592 | 620 |
| H-index | 12 | 13 |
| Hm-index | 5 | 6 |
| Number of Single Authored Papers | 12 | 12 |
| Total Cites to Single Authored Papers | 3 | 3 |
| Number of Single+First Authored Papers | 20 | 20 |
| Total Cites to Single+First Authored Papers | 24 | 24 |
| Number of Single+First+Last Authored Papers | 109 | 109 |
| Total Cites to Single+First+Last Authored Papers | 343 | 354 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 515 | 524 |
| Ratio of Total Citations to Distinct Citing Papers | 1.15 | 1.18 |
| Self-Citation Percentage |
4.52%
|
|
Johnston, Lloyd D.
University of Michigan, Ann Arbor,
United States
2023 Rank: 81,448
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Public Health & Health Services
SubField 1:
Substance Abuse
SubField 2:
Public Health
Rank in SubField 1: 229 out of 15,589 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 81,448 | 88,840 |
| Total Cites | 875 | 938 |
| H-index | 14 | 15 |
| Hm-index | 7 | 7 |
| Number of Single Authored Papers | 12 | 12 |
| Total Cites to Single Authored Papers | 3 | 3 |
| Number of Single+First Authored Papers | 20 | 20 |
| Total Cites to Single+First Authored Papers | 28 | 29 |
| Number of Single+First+Last Authored Papers | 109 | 109 |
| Total Cites to Single+First+Last Authored Papers | 449 | 471 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 749 | 778 |
| Ratio of Total Citations to Distinct Citing Papers | 1.17 | 1.21 |
| Self-Citation Percentage |
6.72%
|
|
Johnston, Lloyd D.
University of Michigan, Ann Arbor,
United States
2020 Rank: 51,430
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Public Health & Health Services
SubField 1:
Public Health
SubField 2:
Substance Abuse
Rank in SubField 1: 568 out of 48,533 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 51,430 | 55,926 |
| Total Cites | 1,253 | 1,314 |
| H-index | 17 | 18 |
| Hm-index | 9 | 9 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 3 | 3 |
| Number of Single+First Authored Papers | 16 | 16 |
| Total Cites to Single+First Authored Papers | 40 | 40 |
| Number of Single+First+Last Authored Papers | 98 | 98 |
| Total Cites to Single+First+Last Authored Papers | 729 | 759 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1,053 | 1,077 |
| Ratio of Total Citations to Distinct Citing Papers | 1.19 | 1.22 |
| Self-Citation Percentage |
4.64%
|
|
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