Olaf Gefeller

14.7k total citations · 1 hit paper
238 papers, 9.1k citations indexed

About

Olaf Gefeller is a scholar working on Dermatology, Immunology and Allergy and Oncology. According to data from OpenAlex, Olaf Gefeller has authored 238 papers receiving a total of 9.1k indexed citations (citations by other indexed papers that have themselves been cited), including 91 papers in Dermatology, 47 papers in Immunology and Allergy and 36 papers in Oncology. Recurrent topics in Olaf Gefeller's work include Skin Protection and Aging (45 papers), Allergic Rhinitis and Sensitization (45 papers) and Contact Dermatitis and Allergies (44 papers). Olaf Gefeller is often cited by papers focused on Skin Protection and Aging (45 papers), Allergic Rhinitis and Sensitization (45 papers) and Contact Dermatitis and Allergies (44 papers). Olaf Gefeller collaborates with scholars based in Germany, United States and Austria. Olaf Gefeller's co-authors include Hermann Brenner, Wolfgang Uter, Annette Pfahlberg, Axel Schnuch, Peter U. Heuschmann, Bernhard Neundoerfer, Margarete Weber, Peter L. Kolominsky‐Rabas, Andreas Mayr and Timo Hakulinen and has published in prestigious journals such as The Lancet, Circulation and Journal of Clinical Oncology.

In The Last Decade

Olaf Gefeller

233 papers receiving 8.7k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Epidemiology of Ischemic Stroke Subtypes According to TOAST Criteria

2001 940 citations Olaf Gefeller et al. profile →

Peers

Countries citing papers authored by Olaf Gefeller

Since Specialization

Citations

This map shows the geographic impact of Olaf Gefeller's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Olaf Gefeller with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Olaf Gefeller more than expected).

Fields of papers citing papers by Olaf Gefeller

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Olaf Gefeller. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Olaf Gefeller. The network helps show where Olaf Gefeller may publish in the future.

Co-authorship network of co-authors of Olaf Gefeller

This figure shows the co-authorship network connecting the top 25 collaborators of Olaf Gefeller. A scholar is included among the top collaborators of Olaf Gefeller based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Olaf Gefeller. Olaf Gefeller is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Gute Praxis arbeitsepidemiologische systematische Reviews (GPAR) 2025 ·Andreas Seidler, Janice Hegewald, Thomas Behrens, Ulrich Bolm‐Audorff, (unknown), Alice Freiberg, Katharina M. A. Gabriel, Olaf Gefeller, Maria Girbig, Karl-Heinz Jöckel, Gabriela Petereit-Haack, Karla Romero Starke, Peter Schlattmann, C. Schröder, Melanie Schubert, (unknown), Andrea Wendt, (unknown)	0
2	SinoMAKS—protocol of a randomised controlled trial to evaluate the Chinese version of the non-pharmacological, multimodal MAKS intervention for people with mild to moderate dementia in Chinese nursing homes 2025 ·BMJ Open ·(unknown), (unknown), Yu Liu, Yaping Ding, (unknown), Ming Zhong, Jian Su, Olaf Gefeller, Elmar Graessel, (unknown)	0
3	Contact allergy to ingredients of hair cosmetics in female hairdressers and female consumers—An update based on IVDK data 2013–2020 2023 ·Contact Dermatitis ·Wolfgang Uter, (unknown), Olaf Gefeller, Richard Brans, Cara Symanzik, Eva Oppel, Claudia Lang, Birger Kränke, Regina Treudler, Johannes Geier	6
4	Inter-Rater Agreement in Assessing Risk of Bias in Melanoma Prediction Studies Using the Prediction Model Risk of Bias Assessment Tool (PROBAST): Results from a Controlled Experiment on the Effect of Specific Rater Training 2023 ·Journal of Clinical Medicine ·(unknown), Annette Pfahlberg, (unknown), Wolfgang Uter, Katharina Diehl, Theresa Steeb, Markus V. Heppt, Olaf Gefeller	7
5	Global Tanning Bed Advertising: A Comparison of Legal Regulations on Three Continents 2023 ·Cancers ·(unknown), (unknown), Lill T. Norvang Nilsen, (unknown), Annette Pfahlberg, Olaf Gefeller	0
6	Reporting Quality of Studies Developing and Validating Melanoma Prediction Models: An Assessment Based on the TRIPOD Statement 2022 ·Healthcare ·(unknown), Katharina Diehl, Markus V. Heppt, (unknown), Annette Pfahlberg, Theresa Steeb, Wolfgang Uter, Olaf Gefeller	5
7	A nationwide skin protection program introduced in hairdressing vocational schools was followed by a decreased risk of occupational hand eczema 2022 ·Contact Dermatitis ·(unknown), Wolfgang Uter, Olaf Gefeller, Ulrik F. Friis, Jacob P. Thyssen, Claus Zachariae, Jeanne Duus Johansen	8
8	Aetiology of occupational hand eczema in hairdressers: Tackling the complexity of exposure combinations to identify patterns associated with increased risk of hand eczema 2022 ·Contact Dermatitis ·(unknown), Wolfgang Uter, Olaf Gefeller, Jeanne Duus Johansen	2
9	The Role of the Global Solar UV Index for Sun Protection of Children in German Kindergartens 2022 ·Children ·Olaf Gefeller, (unknown), Wolfgang Uter, Annette Pfahlberg	4
10	Using the Prediction Model Risk of Bias Assessment Tool (PROBAST) to Evaluate Melanoma Prediction Studies 2022 ·Cancers ·(unknown), (unknown), Annette Pfahlberg, Wolfgang Uter, Carola Berking, Markus V. Heppt, Theresa Steeb, Katharina Diehl, Olaf Gefeller	7
11	Tanning Bed Legislation for Minors: A Comprehensive International Comparison 2022 ·Children ·Katharina Diehl, (unknown), (unknown), Tatiana Görig, Olaf Gefeller	9
12	Sun Protection and Sunburn in Children Aged 1–10 Years in Germany: Prevalence and Determinants 2021 ·Children ·Tatiana Görig, (unknown), Annette Pfahlberg, Olaf Gefeller, (unknown), Katharina Diehl	10
13	“I’ve Heard of It, Yes, but I Can’t Remember What Exactly It Was”—A Qualitative Study on Awareness, Knowledge, and Use of the UV Index 2021 ·International Journal of Environmental Research and Public Health ·Katharina Diehl, Tatiana Görig, (unknown), (unknown), Annette Pfahlberg, Olaf Gefeller	5
14	The extent of public awareness, understanding and use of the Global Solar UV index as a worldwide health promotion instrument to improve sun protection: protocol for a systematic review 2019 ·BMJ Open ·(unknown), (unknown), Wolfgang Uter, Annette Pfahlberg, Olaf Gefeller	5
15	Pilot Assessment of the Angiosome Concept by Intra-operative Fluorescence Angiography After Tibial Bypass Surgery 2018 ·European Journal of Vascular and Endovascular Surgery ·Ulrich Rother, Werner Lang, Raymund E. Horch, Ingo Ludolph, Alexander Meyer, Olaf Gefeller, Susanne Regus	24
16	Long-term development of parental knowledge about skin cancer risks in Germany: Has it changed for the better? 2016 ·Preventive Medicine ·Olaf Gefeller, Wolfgang Uter, Annette Pfahlberg	10
17	Meteorological conditions and the diagnosis of occupationally related contact sensitizations 2008 ·Scandinavian Journal of Work Environment & Health ·Janice Hegewald, Wolfgang Uter, Birger Kränke, Axel Schnuch, Annette Pfahlberg, Olaf Gefeller	4
18	Comparison of Confidence Intervals for Adjusted Attributable Risk Estimates under Multinomial Sampling 2006 ·Biometrical Journal ·(unknown), Annette Pfahlberg, Olaf Gefeller	13
19	An epidemiological study of the influence of season (cold and dry air) on the occurrence of irritant skin changes of the hands 1998 ·Wolfgang Uter, Olaf Gefeller, (unknown)	4
20	Systematic review of case-control studies: oral contraceptives show no effect on melanoma risk. 1997 ·PubMed ·Annette Pfahlberg, (unknown), L. Wille, Berthold Lausen, Olaf Gefeller	28

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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