Shafer, Timothy J.
United States Environmental Protection Agency,
United States
2025 Rank: 132356
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
Toxicology
SubField 2:
Neurology & Neurosurgery
Rank in SubField 1: 588 out of 67220 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 132356 | 123885 |
| Total Cites | 4501 | 5633 |
| H-index | 37 | 44 |
| Hm-index | 16 | 18 |
| Number of Single Authored Papers | 4 | 4 |
| Total Cites to Single Authored Papers | 60 | 69 |
| Number of Single+First Authored Papers | 22 | 22 |
| Total Cites to Single+First Authored Papers | 1197 | 1342 |
| Number of Single+First+Last Authored Papers | 68 | 68 |
| Total Cites to Single+First+Last Authored Papers | 2994 | 3546 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3213 | 3588 |
| Ratio of Total Citations to Distinct Citing Papers | 1.40 | 1.57 |
| Self-Citation Percentage |
20.10%
|
|
Shafer, Timothy J.
United States Environmental Protection Agency,
United States
2024 Rank: 134083
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
Toxicology
SubField 2:
Neurology & Neurosurgery
Rank in SubField 1: 613 out of 65055 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 134083 | 127738 |
| Total Cites | 4146 | 5208 |
| H-index | 36 | 42 |
| Hm-index | 15 | 16 |
| Number of Single Authored Papers | 4 | 4 |
| Total Cites to Single Authored Papers | 54 | 62 |
| Number of Single+First Authored Papers | 22 | 22 |
| Total Cites to Single+First Authored Papers | 1148 | 1288 |
| Number of Single+First+Last Authored Papers | 68 | 68 |
| Total Cites to Single+First+Last Authored Papers | 2831 | 3353 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2978 | 3322 |
| Ratio of Total Citations to Distinct Citing Papers | 1.39 | 1.57 |
| Self-Citation Percentage |
20.39%
|
|
Shafer, Timothy J.
United States Environmental Protection Agency,
United States
2022 Rank: 131365
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
Toxicology
SubField 2:
Neurology & Neurosurgery
Rank in SubField 1: 612 out of 55990 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 131365 | 127440 |
| Total Cites | 3416 | 4231 |
| H-index | 33 | 38 |
| Hm-index | 14 | 16 |
| Number of Single Authored Papers | 4 | 4 |
| Total Cites to Single Authored Papers | 47 | 52 |
| Number of Single+First Authored Papers | 22 | 22 |
| Total Cites to Single+First Authored Papers | 1047 | 1172 |
| Number of Single+First+Last Authored Papers | 61 | 61 |
| Total Cites to Single+First+Last Authored Papers | 2448 | 2869 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2494 | 2772 |
| Ratio of Total Citations to Distinct Citing Papers | 1.37 | 1.53 |
| Self-Citation Percentage |
19.26%
|
|
Shafer, Timothy J.
United States Environmental Protection Agency,
United States
2021 Rank: 128776
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
Toxicology
SubField 2:
Neurology & Neurosurgery
Rank in SubField 1: 596 out of 53247 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 128776 | 123393 |
| Total Cites | 3291 | 4087 |
| H-index | 32 | 38 |
| Hm-index | 14 | 15 |
| Number of Single Authored Papers | 4 | 4 |
| Total Cites to Single Authored Papers | 46 | 51 |
| Number of Single+First Authored Papers | 22 | 22 |
| Total Cites to Single+First Authored Papers | 1020 | 1143 |
| Number of Single+First+Last Authored Papers | 61 | 61 |
| Total Cites to Single+First+Last Authored Papers | 2376 | 2793 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2396 | 2662 |
| Ratio of Total Citations to Distinct Citing Papers | 1.37 | 1.54 |
| Self-Citation Percentage |
19.48%
|
|
Shafer, Timothy J.
United States Environmental Protection Agency,
United States
2020 Rank: 130809
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
Toxicology
SubField 2:
Neurology & Neurosurgery
Rank in SubField 1: 723 out of 45124 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 130809 | 126186 |
| Total Cites | 2904 | 3629 |
| H-index | 31 | 35 |
| Hm-index | 13 | 14 |
| Number of Single Authored Papers | 4 | 4 |
| Total Cites to Single Authored Papers | 40 | 45 |
| Number of Single+First Authored Papers | 22 | 22 |
| Total Cites to Single+First Authored Papers | 958 | 1080 |
| Number of Single+First+Last Authored Papers | 60 | 60 |
| Total Cites to Single+First+Last Authored Papers | 2154 | 2554 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2128 | 2368 |
| Ratio of Total Citations to Distinct Citing Papers | 1.36 | 1.53 |
| Self-Citation Percentage |
19.98%
|
|
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