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Cramer, Holger

Cramer, Holger

Universität Duisburg-Essen, Germany

2025 Rank: 8,507

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Complementary & Alternative Medicine

SubField 2:

General & Internal Medicine

Rank in SubField 1: 1 out of 13,973 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score8,5078,714
Total Cites1,5441,655
H-index1718
Hm-index99
Number of Single Authored Papers3636
Total Cites to Single Authored Papers3436
Number of Single+First Authored Papers118118
Total Cites to Single+First Authored Papers635672
Number of Single+First+Last Authored Papers211211
Total Cites to Single+First+Last Authored Papers9751,030
Composite Score33
Number of Distinct Citing Papers1,2211,271
Ratio of Total Citations to Distinct Citing Papers 1.26 1.30
Self-Citation Percentage
6.71%
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Cramer, Holger

Cramer, Holger

Universitätsklinikum und Medizinische Fakultät Tübingen, Germany

2024 Rank: 11,851

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Complementary & Alternative Medicine

SubField 2:

General & Internal Medicine

Rank in SubField 1: 1 out of 13,830 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score11,85111,269
Total Cites1,3571,457
H-index1718
Hm-index88
Number of Single Authored Papers2929
Total Cites to Single Authored Papers1723
Number of Single+First Authored Papers110110
Total Cites to Single+First Authored Papers576612
Number of Single+First+Last Authored Papers191191
Total Cites to Single+First+Last Authored Papers870925
Composite Score33
Number of Distinct Citing Papers1,0351,076
Ratio of Total Citations to Distinct Citing Papers 1.31 1.35
Self-Citation Percentage
6.86%
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Cramer, Holger

Cramer, Holger

Universitätsklinikum und Medizinische Fakultät Tübingen, Germany

2023 Rank: 11,091

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Complementary & Alternative Medicine

SubField 2:

General & Internal Medicine

Rank in SubField 1: 1 out of 13,235 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score11,09111,874
Total Cites1,4211,518
H-index1818
Hm-index99
Number of Single Authored Papers2323
Total Cites to Single Authored Papers1414
Number of Single+First Authored Papers103103
Total Cites to Single+First Authored Papers656689
Number of Single+First+Last Authored Papers181181
Total Cites to Single+First+Last Authored Papers9751,028
Composite Score33
Number of Distinct Citing Papers1,0721,113
Ratio of Total Citations to Distinct Citing Papers 1.33 1.36
Self-Citation Percentage
6.39%
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Cramer, Holger

Cramer, Holger

Medizinischen Fakultät, Germany

2022 Rank: 14,269

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Complementary & Alternative Medicine

SubField 2:

General & Internal Medicine

Rank in SubField 1: 1 out of 12,030 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score14,26913,289
Total Cites1,1741,281
H-index1617
Hm-index88
Number of Single Authored Papers1616
Total Cites to Single Authored Papers1317
Number of Single+First Authored Papers9494
Total Cites to Single+First Authored Papers551599
Number of Single+First+Last Authored Papers165165
Total Cites to Single+First+Last Authored Papers797874
Composite Score33
Number of Distinct Citing Papers912954
Ratio of Total Citations to Distinct Citing Papers 1.29 1.34
Self-Citation Percentage
8.35%
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Cramer, Holger

Cramer, Holger

Universität Duisburg-Essen, Germany

2021 Rank: 17,525

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Complementary & Alternative Medicine

SubField 2:

General & Internal Medicine

Rank in SubField 1: 1 out of 11,649 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score17,52517,428
Total Cites1,5681,694
H-index1919
Hm-index910
Number of Single Authored Papers1010
Total Cites to Single Authored Papers1517
Number of Single+First Authored Papers8787
Total Cites to Single+First Authored Papers767822
Number of Single+First+Last Authored Papers146146
Total Cites to Single+First+Last Authored Papers1,1051,185
Composite Score33
Number of Distinct Citing Papers1,2161,268
Ratio of Total Citations to Distinct Citing Papers 1.29 1.34
Self-Citation Percentage
7.44%
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Cramer, Holger

Cramer, Holger

Universität Duisburg-Essen, Germany

2020 Rank: 21,328

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Clinical Medicine

SubField 1:

Complementary & Alternative Medicine

SubField 2:

General & Internal Medicine

Rank in SubField 1: 1 out of 9,518 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score21,32816,182
Total Cites1,0781,242
H-index1719
Hm-index78
Number of Single Authored Papers1010
Total Cites to Single Authored Papers814
Number of Single+First Authored Papers8484
Total Cites to Single+First Authored Papers547637
Number of Single+First+Last Authored Papers134134
Total Cites to Single+First+Last Authored Papers773889
Composite Score33
Number of Distinct Citing Papers840890
Ratio of Total Citations to Distinct Citing Papers 1.28 1.40
Self-Citation Percentage
13.20%
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