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Shafer, Timothy J.

Shafer, Timothy J.

United States Environmental Protection Agency, United States

2025 Rank: 230,885

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biomedical Research

SubField 1:

Toxicology

SubField 2:

Neurology & Neurosurgery

Rank in SubField 1: 894 out of 67,220 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score230,885202,984
Total Cites338406
H-index810
Hm-index34
Number of Single Authored Papers44
Total Cites to Single Authored Papers67
Number of Single+First Authored Papers2222
Total Cites to Single+First Authored Papers4752
Number of Single+First+Last Authored Papers6868
Total Cites to Single+First+Last Authored Papers157187
Composite Score22
Number of Distinct Citing Papers224253
Ratio of Total Citations to Distinct Citing Papers 1.51 1.60
Self-Citation Percentage
16.75%
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Shafer, Timothy J.

Shafer, Timothy J.

United States Environmental Protection Agency, United States

2024 Rank: 219,764

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biomedical Research

SubField 1:

Toxicology

SubField 2:

Neurology & Neurosurgery

Rank in SubField 1: 919 out of 65,055 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score219,764209,889
Total Cites316391
H-index1010
Hm-index44
Number of Single Authored Papers44
Total Cites to Single Authored Papers23
Number of Single+First Authored Papers2222
Total Cites to Single+First Authored Papers3942
Number of Single+First+Last Authored Papers6868
Total Cites to Single+First+Last Authored Papers165192
Composite Score22
Number of Distinct Citing Papers193219
Ratio of Total Citations to Distinct Citing Papers 1.64 1.79
Self-Citation Percentage
19.18%
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Shafer, Timothy J.

Shafer, Timothy J.

United States Environmental Protection Agency, United States

2022 Rank: 216,304

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biomedical Research

SubField 1:

Toxicology

SubField 2:

Neurology & Neurosurgery

Rank in SubField 1: 951 out of 55,990 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score216,304212,202
Total Cites281336
H-index810
Hm-index33
Number of Single Authored Papers44
Total Cites to Single Authored Papers44
Number of Single+First Authored Papers2222
Total Cites to Single+First Authored Papers4748
Number of Single+First+Last Authored Papers6161
Total Cites to Single+First+Last Authored Papers160173
Composite Score22
Number of Distinct Citing Papers195216
Ratio of Total Citations to Distinct Citing Papers 1.44 1.56
Self-Citation Percentage
16.37%
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Shafer, Timothy J.

Shafer, Timothy J.

United States Environmental Protection Agency, United States

2021 Rank: 155,187

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biomedical Research

SubField 1:

Toxicology

SubField 2:

Neurology & Neurosurgery

Rank in SubField 1: 663 out of 53,247 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score155,187157,246
Total Cites490594
H-index1314
Hm-index45
Number of Single Authored Papers44
Total Cites to Single Authored Papers66
Number of Single+First Authored Papers2222
Total Cites to Single+First Authored Papers7577
Number of Single+First+Last Authored Papers6161
Total Cites to Single+First+Last Authored Papers280312
Composite Score22
Number of Distinct Citing Papers336370
Ratio of Total Citations to Distinct Citing Papers 1.46 1.61
Self-Citation Percentage
17.51%
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Shafer, Timothy J.

Shafer, Timothy J.

United States Environmental Protection Agency, United States

2020 Rank: 177,040

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biomedical Research

SubField 1:

Toxicology

SubField 2:

Neurology & Neurosurgery

Rank in SubField 1: 801 out of 45,124 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score177,040140,573
Total Cites358487
H-index913
Hm-index45
Number of Single Authored Papers44
Total Cites to Single Authored Papers33
Number of Single+First Authored Papers2222
Total Cites to Single+First Authored Papers5961
Number of Single+First+Last Authored Papers6060
Total Cites to Single+First+Last Authored Papers221279
Composite Score22
Number of Distinct Citing Papers247282
Ratio of Total Citations to Distinct Citing Papers 1.45 1.73
Self-Citation Percentage
26.49%
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