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Cramer, Holger

Cramer, Holger

Universität Duisburg-Essen, Germany

2025 Rank: 41,866

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: 4 out of 13,973 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score41,86640,664
Total Cites9,68010,938
H-index5458
Hm-index2223
Number of Single Authored Papers3636
Total Cites to Single Authored Papers107137
Number of Single+First Authored Papers118118
Total Cites to Single+First Authored Papers4,7695,449
Number of Single+First+Last Authored Papers211211
Total Cites to Single+First+Last Authored Papers6,6227,478
Composite Score33
Number of Distinct Citing Papers7,4907,935
Ratio of Total Citations to Distinct Citing Papers 1.29 1.38
Self-Citation Percentage
11.50%
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Cramer, Holger

Cramer, Holger

Universitätsklinikum und Medizinische Fakultät Tübingen, Germany

2024 Rank: 52,841

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: 8 out of 13,830 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score52,84148,896
Total Cites8,0589,202
H-index4954
Hm-index2022
Number of Single Authored Papers2929
Total Cites to Single Authored Papers73101
Number of Single+First Authored Papers110110
Total Cites to Single+First Authored Papers4,0964,738
Number of Single+First+Last Authored Papers191191
Total Cites to Single+First+Last Authored Papers5,5936,392
Composite Score33
Number of Distinct Citing Papers6,2006,595
Ratio of Total Citations to Distinct Citing Papers 1.30 1.40
Self-Citation Percentage
12.43%
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Cramer, Holger

Cramer, Holger

Universitätsklinikum und Medizinische Fakultät Tübingen, Germany

2023 Rank: 63,548

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: 12 out of 13,235 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score63,54858,306
Total Cites6,6357,665
H-index4550
Hm-index1920
Number of Single Authored Papers2323
Total Cites to Single Authored Papers5576
Number of Single+First Authored Papers103103
Total Cites to Single+First Authored Papers3,4774,078
Number of Single+First+Last Authored Papers181181
Total Cites to Single+First+Last Authored Papers4,6755,412
Composite Score33
Number of Distinct Citing Papers5,1275,473
Ratio of Total Citations to Distinct Citing Papers 1.29 1.40
Self-Citation Percentage
13.44%
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Cramer, Holger

Cramer, Holger

Medizinischen Fakultät, Germany

2022 Rank: 81,893

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: 18 out of 12,030 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score81,89372,569
Total Cites5,0125,939
H-index4044
Hm-index1718
Number of Single Authored Papers1616
Total Cites to Single Authored Papers4061
Number of Single+First Authored Papers9494
Total Cites to Single+First Authored Papers2,7153,281
Number of Single+First+Last Authored Papers165165
Total Cites to Single+First+Last Authored Papers3,5474,228
Composite Score33
Number of Distinct Citing Papers3,9104,212
Ratio of Total Citations to Distinct Citing Papers 1.28 1.41
Self-Citation Percentage
15.61%
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Cramer, Holger

Cramer, Holger

Universität Duisburg-Essen, Germany

2021 Rank: 92,284

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: 24 out of 11,649 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score92,28480,600
Total Cites4,4235,257
H-index3842
Hm-index1617
Number of Single Authored Papers1010
Total Cites to Single Authored Papers3150
Number of Single+First Authored Papers8787
Total Cites to Single+First Authored Papers2,4502,970
Number of Single+First+Last Authored Papers146146
Total Cites to Single+First+Last Authored Papers3,1693,780
Composite Score33
Number of Distinct Citing Papers3,4513,718
Ratio of Total Citations to Distinct Citing Papers 1.28 1.41
Self-Citation Percentage
15.86%
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Cramer, Holger

Cramer, Holger

Universität Duisburg-Essen, Germany

2020 Rank: 132,988

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: 41 out of 9,518 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score132,988107,741
Total Cites3,1093,849
H-index3236
Hm-index1215
Number of Single Authored Papers1010
Total Cites to Single Authored Papers1835
Number of Single+First Authored Papers8484
Total Cites to Single+First Authored Papers1,8062,288
Number of Single+First+Last Authored Papers134134
Total Cites to Single+First+Last Authored Papers2,2452,800
Composite Score33
Number of Distinct Citing Papers2,4342,658
Ratio of Total Citations to Distinct Citing Papers 1.28 1.45
Self-Citation Percentage
19.23%
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