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Clifford, Tammy J.

Clifford, Tammy J.

University of Toronto, Canada

2026 Rank: 527,642

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

General & Internal Medicine

SubField 2:

Health Policy & Services

Rank in SubField 1: 5,986 out of 360,081 Researchers

Data For The Year: 2026
Metrics Self-Citations Excluded All
Rank Based on Composite Score527,642567,395
Total Cites4,4894,567
H-index1112
Hm-index33
Number of Single Authored Papers33
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers88
Total Cites to Single+First Authored Papers55
Number of Single+First+Last Authored Papers1616
Total Cites to Single+First+Last Authored Papers4141
Composite Score22
Number of Distinct Citing Papers4,2744,340
Ratio of Total Citations to Distinct Citing Papers 1.05 1.05
Self-Citation Percentage
1.71%
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Clifford, Tammy J.

Clifford, Tammy J.

Canadian Institutes of Health Research, Canada

2025 Rank: 281,749

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

General & Internal Medicine

SubField 2:

Health Policy & Services

Rank in SubField 1: 3,253 out of 348,741 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score281,749322,589
Total Cites4,2854,343
H-index1111
Hm-index33
Number of Single Authored Papers33
Total Cites to Single Authored Papers44
Number of Single+First Authored Papers88
Total Cites to Single+First Authored Papers66
Number of Single+First+Last Authored Papers1616
Total Cites to Single+First+Last Authored Papers3435
Composite Score22
Number of Distinct Citing Papers4,0884,134
Ratio of Total Citations to Distinct Citing Papers 1.05 1.05
Self-Citation Percentage
1.34%
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Clifford, Tammy J.

Clifford, Tammy J.

University of Ottawa, Canada

2024 Rank: 334,656

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

General & Internal Medicine

SubField 2:

Health Policy & Services

Rank in SubField 1: 3,803 out of 333,256 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score334,656365,134
Total Cites4,2124,274
H-index910
Hm-index22
Number of Single Authored Papers33
Total Cites to Single Authored Papers33
Number of Single+First Authored Papers88
Total Cites to Single+First Authored Papers88
Number of Single+First+Last Authored Papers1616
Total Cites to Single+First+Last Authored Papers3131
Composite Score22
Number of Distinct Citing Papers4,0204,071
Ratio of Total Citations to Distinct Citing Papers 1.05 1.05
Self-Citation Percentage
1.45%
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Clifford, Tammy J.

Clifford, Tammy J.

Canadian Institutes of Health Research, Canada

2023 Rank: 221,573

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

General & Internal Medicine

SubField 2:

Health Policy & Services

Rank in SubField 1: 2,605 out of 321,279 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score221,573235,118
Total Cites5,1335,241
H-index1111
Hm-index33
Number of Single Authored Papers33
Total Cites to Single Authored Papers44
Number of Single+First Authored Papers88
Total Cites to Single+First Authored Papers1212
Number of Single+First+Last Authored Papers1616
Total Cites to Single+First+Last Authored Papers4042
Composite Score22
Number of Distinct Citing Papers4,8964,971
Ratio of Total Citations to Distinct Citing Papers 1.05 1.05
Self-Citation Percentage
2.06%
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Clifford, Tammy J.

Clifford, Tammy J.

University of Ottawa, Canada

2022 Rank: 367,527

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

General & Internal Medicine

SubField 2:

Health Policy & Services

Rank in SubField 1: 3,931 out of 311,132 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score367,527392,888
Total Cites4,9865,103
H-index1010
Hm-index33
Number of Single Authored Papers33
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers88
Total Cites to Single+First Authored Papers99
Number of Single+First+Last Authored Papers1616
Total Cites to Single+First+Last Authored Papers3232
Composite Score22
Number of Distinct Citing Papers4,7414,823
Ratio of Total Citations to Distinct Citing Papers 1.05 1.06
Self-Citation Percentage
2.29%
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