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Zimmerman, Robert A.

Zimmerman, Robert A.

Hospital of the University of Pennsylvania, United States

2026 Rank: 329,668

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Nuclear Medicine & Medical Imaging

SubField 2:

Neurology & Neurosurgery

Rank in SubField 1: 1,959 out of 129,561 Researchers

Data For The Year: 2026
Metrics Self-Citations Excluded All
Rank Based on Composite Score329,668372,682
Total Cites816837
H-index99
Hm-index33
Number of Single Authored Papers1717
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers9797
Total Cites to Single+First Authored Papers1919
Number of Single+First+Last Authored Papers207207
Total Cites to Single+First+Last Authored Papers430432
Composite Score22
Number of Distinct Citing Papers761775
Ratio of Total Citations to Distinct Citing Papers 1.07 1.08
Self-Citation Percentage
2.51%
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Zimmerman, Robert A.

Zimmerman, Robert A.

Hospital of the University of Pennsylvania, United States

2025 Rank: 151,061

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Nuclear Medicine & Medical Imaging

SubField 2:

Neurology & Neurosurgery

Rank in SubField 1: 757 out of 122,662 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score151,061170,985
Total Cites950988
H-index1212
Hm-index44
Number of Single Authored Papers1717
Total Cites to Single Authored Papers33
Number of Single+First Authored Papers9797
Total Cites to Single+First Authored Papers2223
Number of Single+First+Last Authored Papers207207
Total Cites to Single+First+Last Authored Papers419423
Composite Score22
Number of Distinct Citing Papers859887
Ratio of Total Citations to Distinct Citing Papers 1.11 1.11
Self-Citation Percentage
3.85%
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Zimmerman, Robert A.

Zimmerman, Robert A.

The Children's Hospital of Philadelphia, United States

2024 Rank: 157,604

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Nuclear Medicine & Medical Imaging

SubField 2:

Neurology & Neurosurgery

Rank in SubField 1: 880 out of 116,246 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score157,604170,347
Total Cites907948
H-index1011
Hm-index33
Number of Single Authored Papers1818
Total Cites to Single Authored Papers33
Number of Single+First Authored Papers9595
Total Cites to Single+First Authored Papers2525
Number of Single+First+Last Authored Papers206206
Total Cites to Single+First+Last Authored Papers414414
Composite Score22
Number of Distinct Citing Papers820848
Ratio of Total Citations to Distinct Citing Papers 1.11 1.12
Self-Citation Percentage
4.32%
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Zimmerman, Robert A.

Zimmerman, Robert A.

The Children's Hospital of Philadelphia, United States

2023 Rank: 117,332

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Nuclear Medicine & Medical Imaging

SubField 2:

Neurology & Neurosurgery

Rank in SubField 1: 634 out of 109,758 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score117,332135,945
Total Cites1,0611,091
H-index1212
Hm-index44
Number of Single Authored Papers1717
Total Cites to Single Authored Papers33
Number of Single+First Authored Papers9595
Total Cites to Single+First Authored Papers3030
Number of Single+First+Last Authored Papers206206
Total Cites to Single+First+Last Authored Papers485485
Composite Score22
Number of Distinct Citing Papers941963
Ratio of Total Citations to Distinct Citing Papers 1.13 1.13
Self-Citation Percentage
2.75%
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