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Year
Birren, James E.

Birren, James E.

University of California, Los Angeles, United States

2025 Rank: 252,356

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

General & Internal Medicine

SubField 2:

Gerontology

Rank in SubField 1: 3,289 out of 348,741 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score252,356276,235
Total Cites1,5661,584
H-index1819
Hm-index1112
Number of Single Authored Papers4545
Total Cites to Single Authored Papers188194
Number of Single+First Authored Papers7878
Total Cites to Single+First Authored Papers912921
Number of Single+First+Last Authored Papers120120
Total Cites to Single+First+Last Authored Papers1,2881,298
Composite Score33
Number of Distinct Citing Papers1,4461,460
Ratio of Total Citations to Distinct Citing Papers 1.08 1.08
Self-Citation Percentage
1.14%
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Birren, James E.

Birren, James E.

University of Southern California, United States

2021 Rank: 213,943

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Public Health & Health Services

SubField 1:

Nursing

SubField 2:

Gerontology

Rank in SubField 1: 753 out of 90,621 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score213,943249,304
Total Cites1,3071,323
H-index1717
Hm-index1111
Number of Single Authored Papers4141
Total Cites to Single Authored Papers164167
Number of Single+First Authored Papers7272
Total Cites to Single+First Authored Papers761768
Number of Single+First+Last Authored Papers114114
Total Cites to Single+First+Last Authored Papers1,0691,077
Composite Score33
Number of Distinct Citing Papers1,2201,233
Ratio of Total Citations to Distinct Citing Papers 1.07 1.07
Self-Citation Percentage
1.21%
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