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Clifford, Tammy J.

Clifford, Tammy J.

University of Toronto, Canada

2026 Rank: 228,785

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: 2,967 out of 360,081 Researchers

Data For The Year: 2026
Metrics Self-Citations Excluded All
Rank Based on Composite Score228,785257,146
Total Cites35,72736,578
H-index3132
Hm-index99
Number of Single Authored Papers33
Total Cites to Single Authored Papers6868
Number of Single+First Authored Papers88
Total Cites to Single+First Authored Papers367370
Number of Single+First+Last Authored Papers1616
Total Cites to Single+First+Last Authored Papers645659
Composite Score33
Number of Distinct Citing Papers33,86134,524
Ratio of Total Citations to Distinct Citing Papers 1.06 1.06
Self-Citation Percentage
2.33%
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Clifford, Tammy J.

Clifford, Tammy J.

Canadian Institutes of Health Research, Canada

2025 Rank: 231,105

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: 2,990 out of 348,741 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score231,105254,715
Total Cites31,21631,982
H-index2830
Hm-index99
Number of Single Authored Papers33
Total Cites to Single Authored Papers6868
Number of Single+First Authored Papers88
Total Cites to Single+First Authored Papers359362
Number of Single+First+Last Authored Papers1616
Total Cites to Single+First+Last Authored Papers602616
Composite Score33
Number of Distinct Citing Papers29,56630,157
Ratio of Total Citations to Distinct Citing Papers 1.06 1.06
Self-Citation Percentage
2.40%
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Clifford, Tammy J.

Clifford, Tammy J.

University of Ottawa, Canada

2024 Rank: 231,931

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: 3,034 out of 333,256 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score231,931259,783
Total Cites26,82827,530
H-index2728
Hm-index89
Number of Single Authored Papers33
Total Cites to Single Authored Papers6363
Number of Single+First Authored Papers88
Total Cites to Single+First Authored Papers351354
Number of Single+First+Last Authored Papers1616
Total Cites to Single+First+Last Authored Papers567580
Composite Score33
Number of Distinct Citing Papers25,38325,923
Ratio of Total Citations to Distinct Citing Papers 1.06 1.06
Self-Citation Percentage
2.55%
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Clifford, Tammy J.

Clifford, Tammy J.

Canadian Institutes of Health Research, Canada

2023 Rank: 236,320

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: 3,135 out of 321,279 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score236,320261,625
Total Cites22,58923,227
H-index2627
Hm-index88
Number of Single Authored Papers33
Total Cites to Single Authored Papers5959
Number of Single+First Authored Papers88
Total Cites to Single+First Authored Papers342345
Number of Single+First+Last Authored Papers1616
Total Cites to Single+First+Last Authored Papers532545
Composite Score33
Number of Distinct Citing Papers21,33821,824
Ratio of Total Citations to Distinct Citing Papers 1.06 1.06
Self-Citation Percentage
2.75%
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Clifford, Tammy J.

Clifford, Tammy J.

University of Ottawa, Canada

2022 Rank: 240,470

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: 3,180 out of 311,132 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score240,470272,304
Total Cites16,45016,969
H-index2526
Hm-index88
Number of Single Authored Papers33
Total Cites to Single Authored Papers5454
Number of Single+First Authored Papers88
Total Cites to Single+First Authored Papers321324
Number of Single+First+Last Authored Papers1616
Total Cites to Single+First+Last Authored Papers478489
Composite Score33
Number of Distinct Citing Papers15,50215,902
Ratio of Total Citations to Distinct Citing Papers 1.06 1.07
Self-Citation Percentage
3.06%
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