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Johnson, Alan L.

Johnson, Alan L.

Pennsylvania State University, United States

2025 Rank: 63,039

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Obstetrics & Reproductive Medicine

SubField 2:

Dairy & Animal Science

Rank in SubField 1: 329 out of 101,272 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score63,03973,906
Total Cites257257
H-index88
Hm-index55
Number of Single Authored Papers1818
Total Cites to Single Authored Papers7878
Number of Single+First Authored Papers6565
Total Cites to Single+First Authored Papers137137
Number of Single+First+Last Authored Papers123123
Total Cites to Single+First+Last Authored Papers235235
Composite Score22
Number of Distinct Citing Papers143143
Ratio of Total Citations to Distinct Citing Papers 1.80 1.80
Self-Citation Percentage
0.00%
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Johnson, Alan L.

Johnson, Alan L.

Pennsylvania State University, United States

2024 Rank: 60,250

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Obstetrics & Reproductive Medicine

SubField 2:

Dairy & Animal Science

Rank in SubField 1: 351 out of 96,407 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score60,25070,746
Total Cites233233
H-index88
Hm-index66
Number of Single Authored Papers1818
Total Cites to Single Authored Papers6363
Number of Single+First Authored Papers6565
Total Cites to Single+First Authored Papers138138
Number of Single+First+Last Authored Papers123123
Total Cites to Single+First+Last Authored Papers208208
Composite Score22
Number of Distinct Citing Papers133133
Ratio of Total Citations to Distinct Citing Papers 1.75 1.75
Self-Citation Percentage
0.00%
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Johnson, Alan L.

Johnson, Alan L.

Pennsylvania State University, United States

2023 Rank: 45,633

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Obstetrics & Reproductive Medicine

SubField 2:

Dairy & Animal Science

Rank in SubField 1: 267 out of 91,902 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score45,63353,452
Total Cites318320
H-index88
Hm-index66
Number of Single Authored Papers1818
Total Cites to Single Authored Papers7474
Number of Single+First Authored Papers6565
Total Cites to Single+First Authored Papers162163
Number of Single+First+Last Authored Papers123123
Total Cites to Single+First+Last Authored Papers288289
Composite Score22
Number of Distinct Citing Papers168169
Ratio of Total Citations to Distinct Citing Papers 1.89 1.89
Self-Citation Percentage
0.63%
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Johnson, Alan L.

Johnson, Alan L.

Pennsylvania State University, United States

2022 Rank: 89,689

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Obstetrics & Reproductive Medicine

SubField 2:

Dairy & Animal Science

Rank in SubField 1: 571 out of 87,536 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score89,689102,867
Total Cites218235
H-index77
Hm-index44
Number of Single Authored Papers1818
Total Cites to Single Authored Papers4546
Number of Single+First Authored Papers6565
Total Cites to Single+First Authored Papers109112
Number of Single+First+Last Authored Papers123123
Total Cites to Single+First+Last Authored Papers188204
Composite Score22
Number of Distinct Citing Papers135136
Ratio of Total Citations to Distinct Citing Papers 1.61 1.73
Self-Citation Percentage
7.23%
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Johnson, Alan L.

Johnson, Alan L.

Pennsylvania State University, United States

2021 Rank: 49,241

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Obstetrics & Reproductive Medicine

SubField 2:

Dairy & Animal Science

Rank in SubField 1: 293 out of 85,185 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score49,24156,760
Total Cites410426
H-index1010
Hm-index77
Number of Single Authored Papers1818
Total Cites to Single Authored Papers8687
Number of Single+First Authored Papers6565
Total Cites to Single+First Authored Papers218221
Number of Single+First+Last Authored Papers122122
Total Cites to Single+First+Last Authored Papers358374
Composite Score33
Number of Distinct Citing Papers242243
Ratio of Total Citations to Distinct Citing Papers 1.69 1.75
Self-Citation Percentage
3.76%
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Johnson, Alan L.

Johnson, Alan L.

Pennsylvania State University, United States

2020 Rank: 53,384

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Obstetrics & Reproductive Medicine

SubField 2:

Endocrinology & Metabolism

Rank in SubField 1: 303 out of 66,536 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score53,38455,365
Total Cites305326
H-index910
Hm-index77
Number of Single Authored Papers1818
Total Cites to Single Authored Papers5355
Number of Single+First Authored Papers6565
Total Cites to Single+First Authored Papers139147
Number of Single+First+Last Authored Papers122122
Total Cites to Single+First+Last Authored Papers259279
Composite Score23
Number of Distinct Citing Papers173175
Ratio of Total Citations to Distinct Citing Papers 1.76 1.86
Self-Citation Percentage
6.44%
Found an error in your data? Contact us with your profile link. Contact Us →
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