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Hájek, Roman

Hájek, Roman

University Hospital in Ostrava, Czechia

2026 Rank: 100,490

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

Clinical Medicine

SubField 1:

Immunology

SubField 2:

Oncology & Carcinogenesis

Rank in SubField 1: 1,724 out of 176,292 Researchers

Data For The Year: 2026
Metrics Self-Citations Excluded All
Rank Based on Composite Score100,49094,924
Total Cites3,1783,880
H-index2729
Hm-index55
Number of Single Authored Papers1717
Total Cites to Single Authored Papers00
Number of Single+First Authored Papers6969
Total Cites to Single+First Authored Papers2933
Number of Single+First+Last Authored Papers303303
Total Cites to Single+First+Last Authored Papers268298
Composite Score22
Number of Distinct Citing Papers2,1402,394
Ratio of Total Citations to Distinct Citing Papers 1.49 1.62
Self-Citation Percentage
18.09%
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Hájek, Roman

Hájek, Roman

University Hospital in Ostrava, Czechia

2025 Rank: 72,637

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

Clinical Medicine

SubField 1:

Oncology & Carcinogenesis

SubField 2:

Immunology

Rank in SubField 1: 2,196 out of 355,674 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score72,63763,630
Total Cites2,7053,248
H-index2327
Hm-index56
Number of Single Authored Papers1717
Total Cites to Single Authored Papers11
Number of Single+First Authored Papers6868
Total Cites to Single+First Authored Papers4757
Number of Single+First+Last Authored Papers300300
Total Cites to Single+First+Last Authored Papers270310
Composite Score22
Number of Distinct Citing Papers1,9242,140
Ratio of Total Citations to Distinct Citing Papers 1.41 1.52
Self-Citation Percentage
16.72%
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Hájek, Roman

Hájek, Roman

University Hospital in Ostrava, Czechia

2021 Rank: 69,386

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

Clinical Medicine

SubField 1:

Oncology & Carcinogenesis

SubField 2:

Immunology

Rank in SubField 1: 2,520 out of 271,773 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score69,38668,195
Total Cites2,9463,705
H-index2729
Hm-index66
Number of Single Authored Papers1111
Total Cites to Single Authored Papers33
Number of Single+First Authored Papers4949
Total Cites to Single+First Authored Papers4451
Number of Single+First+Last Authored Papers252252
Total Cites to Single+First+Last Authored Papers403452
Composite Score23
Number of Distinct Citing Papers1,9362,247
Ratio of Total Citations to Distinct Citing Papers 1.52 1.65
Self-Citation Percentage
20.49%
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