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Shafer, Timothy J.

Shafer, Timothy J.

United States Environmental Protection Agency, United States

2025 Rank: 132,356

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 67,220 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score132,356123,885
Total Cites4,5015,633
H-index3744
Hm-index1618
Number of Single Authored Papers44
Total Cites to Single Authored Papers6069
Number of Single+First Authored Papers2222
Total Cites to Single+First Authored Papers1,1971,342
Number of Single+First+Last Authored Papers6868
Total Cites to Single+First+Last Authored Papers2,9943,546
Composite Score33
Number of Distinct Citing Papers3,2133,588
Ratio of Total Citations to Distinct Citing Papers 1.40 1.57
Self-Citation Percentage
20.10%
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Shafer, Timothy J.

Shafer, Timothy J.

United States Environmental Protection Agency, United States

2024 Rank: 134,083

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 65,055 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score134,083127,738
Total Cites4,1465,208
H-index3642
Hm-index1516
Number of Single Authored Papers44
Total Cites to Single Authored Papers5462
Number of Single+First Authored Papers2222
Total Cites to Single+First Authored Papers1,1481,288
Number of Single+First+Last Authored Papers6868
Total Cites to Single+First+Last Authored Papers2,8313,353
Composite Score33
Number of Distinct Citing Papers2,9783,322
Ratio of Total Citations to Distinct Citing Papers 1.39 1.57
Self-Citation Percentage
20.39%
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Shafer, Timothy J.

Shafer, Timothy J.

United States Environmental Protection Agency, United States

2022 Rank: 131,365

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 55,990 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score131,365127,440
Total Cites3,4164,231
H-index3338
Hm-index1416
Number of Single Authored Papers44
Total Cites to Single Authored Papers4752
Number of Single+First Authored Papers2222
Total Cites to Single+First Authored Papers1,0471,172
Number of Single+First+Last Authored Papers6161
Total Cites to Single+First+Last Authored Papers2,4482,869
Composite Score33
Number of Distinct Citing Papers2,4942,772
Ratio of Total Citations to Distinct Citing Papers 1.37 1.53
Self-Citation Percentage
19.26%
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Shafer, Timothy J.

Shafer, Timothy J.

United States Environmental Protection Agency, United States

2021 Rank: 128,776

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 53,247 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score128,776123,393
Total Cites3,2914,087
H-index3238
Hm-index1415
Number of Single Authored Papers44
Total Cites to Single Authored Papers4651
Number of Single+First Authored Papers2222
Total Cites to Single+First Authored Papers1,0201,143
Number of Single+First+Last Authored Papers6161
Total Cites to Single+First+Last Authored Papers2,3762,793
Composite Score33
Number of Distinct Citing Papers2,3962,662
Ratio of Total Citations to Distinct Citing Papers 1.37 1.54
Self-Citation Percentage
19.48%
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Shafer, Timothy J.

Shafer, Timothy J.

United States Environmental Protection Agency, United States

2020 Rank: 130,809

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 45,124 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score130,809126,186
Total Cites2,9043,629
H-index3135
Hm-index1314
Number of Single Authored Papers44
Total Cites to Single Authored Papers4045
Number of Single+First Authored Papers2222
Total Cites to Single+First Authored Papers9581,080
Number of Single+First+Last Authored Papers6060
Total Cites to Single+First+Last Authored Papers2,1542,554
Composite Score33
Number of Distinct Citing Papers2,1282,368
Ratio of Total Citations to Distinct Citing Papers 1.36 1.53
Self-Citation Percentage
19.98%
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