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Klein, David J.

Klein, David J.

University of Toronto, Canada

2026 Rank: 106,159

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

Public Health & Health Services

SubField 1:

Public Health

SubField 2:

Substance Abuse

Rank in SubField 1: 1,017 out of 82,273 Researchers

Data For The Year: 2026
Metrics Self-Citations Excluded All
Rank Based on Composite Score106,159113,332
Total Cites10,92612,176
H-index5860
Hm-index2123
Number of Single Authored Papers11
Total Cites to Single Authored Papers1919
Number of Single+First Authored Papers2828
Total Cites to Single+First Authored Papers9441,072
Number of Single+First+Last Authored Papers101101
Total Cites to Single+First+Last Authored Papers4,7705,202
Composite Score33
Number of Distinct Citing Papers9,78410,579
Ratio of Total Citations to Distinct Citing Papers 1.12 1.15
Self-Citation Percentage
10.27%
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Klein, David J.

Klein, David J.

RAND Corporation, United States

2025 Rank: 106,301

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

Public Health & Health Services

SubField 1:

Public Health

SubField 2:

Substance Abuse

Rank in SubField 1: 1,003 out of 75,495 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score106,301112,976
Total Cites10,21211,365
H-index5558
Hm-index2122
Number of Single Authored Papers11
Total Cites to Single Authored Papers1717
Number of Single+First Authored Papers2727
Total Cites to Single+First Authored Papers877991
Number of Single+First+Last Authored Papers100100
Total Cites to Single+First+Last Authored Papers4,5524,954
Composite Score33
Number of Distinct Citing Papers9,1659,912
Ratio of Total Citations to Distinct Citing Papers 1.11 1.15
Self-Citation Percentage
10.15%
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Klein, David J.

Klein, David J.

RAND Corporation, United States

2024 Rank: 105,355

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

Public Health & Health Services

SubField 1:

Public Health

SubField 2:

Substance Abuse

Rank in SubField 1: 971 out of 69,595 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score105,355114,432
Total Cites9,67510,763
H-index5355
Hm-index2021
Number of Single Authored Papers11
Total Cites to Single Authored Papers1616
Number of Single+First Authored Papers2727
Total Cites to Single+First Authored Papers820925
Number of Single+First+Last Authored Papers9797
Total Cites to Single+First+Last Authored Papers4,3374,716
Composite Score33
Number of Distinct Citing Papers8,7199,461
Ratio of Total Citations to Distinct Citing Papers 1.11 1.14
Self-Citation Percentage
10.11%
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Klein, David J.

Klein, David J.

RAND Corporation, United States

2021 Rank: 114,341

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

Clinical Medicine

SubField 1:

Public Health

SubField 2:

Pediatrics

Rank in SubField 1: 1,024 out of 55,837 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score114,341120,859
Total Cites6,8577,572
H-index4548
Hm-index1820
Number of Single Authored Papers11
Total Cites to Single Authored Papers1212
Number of Single+First Authored Papers2323
Total Cites to Single+First Authored Papers604683
Number of Single+First+Last Authored Papers8383
Total Cites to Single+First+Last Authored Papers3,5893,907
Composite Score33
Number of Distinct Citing Papers6,2986,797
Ratio of Total Citations to Distinct Citing Papers 1.09 1.11
Self-Citation Percentage
9.44%
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