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Year
Johnson, Keith Alan

Johnson, Keith Alan

Harvard Medical School, United States

2026 Rank: 15,813

Overall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:

Clinical Medicine

SubField 1:

Neurology & Neurosurgery

SubField 2:

Nuclear Medicine & Medical Imaging

Rank in SubField 1: 744 out of 379,830 Researchers

Data For The Year: 2026
Metrics Self-Citations Excluded All
Rank Based on Composite Score15,81314,013
Total Cites5,3776,612
H-index3437
Hm-index99
Number of Single Authored Papers11
Total Cites to Single Authored Papers11
Number of Single+First Authored Papers2222
Total Cites to Single+First Authored Papers200237
Number of Single+First+Last Authored Papers7575
Total Cites to Single+First+Last Authored Papers9851,113
Composite Score33
Number of Distinct Citing Papers3,7214,144
Ratio of Total Citations to Distinct Citing Papers 1.45 1.60
Self-Citation Percentage
18.68%
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Johnson, Keith Alan

Johnson, Keith Alan

Harvard Medical School, United States

2025 Rank: 23,103

Overall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:

Clinical Medicine

SubField 1:

Neurology & Neurosurgery

SubField 2:

Nuclear Medicine & Medical Imaging

Rank in SubField 1: 1,064 out of 360,881 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score23,10319,729
Total Cites4,5705,760
H-index3033
Hm-index89
Number of Single Authored Papers11
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers2222
Total Cites to Single+First Authored Papers198228
Number of Single+First+Last Authored Papers7272
Total Cites to Single+First+Last Authored Papers830981
Composite Score33
Number of Distinct Citing Papers3,2623,639
Ratio of Total Citations to Distinct Citing Papers 1.40 1.58
Self-Citation Percentage
20.66%
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