Roger Wïllén
- Gastroenterology top 1%
- Otorhinolaryngology top 2%
- Obstetrics and Gynecology top 2%
- Endometrial and Cervical Cancer Treatments 29
- Surgery top 1%
- Helicobacter pylori-related gastroenterology studies 23
- Eosinophilic Esophagitis 11
- Genetics top 2%
- Inflammatory Bowel Disease 19
- Estrogen and related hormone effects 11
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- Microscopic Colitis 19
- Cervical Cancer and HPV Research 16
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- Ovarian cancer diagnosis and treatment 12
- Co-authors
- Torkel WadströmStig BengmarkU StendahlHelena WillénXin WangRoland AnderssonChrister Staël von HolsteinA. Ar'Rajab
- Journals
- International Journal of Cancer (9 papers)Scandinavian Journal of Gastroenterology (7 papers)Upsala Journal of Medical Sciences (7 papers)
- Partner nations
- SwedenUnited KingdomUnited States
In The Last Decade
Roger Wïllén
196 papers receiving 4.5k citations
Peers
Comparison fields: 5 of 132
- Gastroenterology 341
- Otorhinolaryngology 238
- Obstetrics and Gynecology 383
- Surgery 1.8k
- Genetics 1.0k
Countries citing papers authored by Roger Wïllén
This map shows the geographic impact of Roger Wïllén'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 Roger Wïllén with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Roger Wïllén more than expected).
Fields of papers citing papers by Roger Wïllén
This network shows the impact of papers produced by Roger Wïllén. 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 Roger Wïllén. The network helps show where Roger Wïllén may publish in the future.
Co-authorship network
The 25 scholars most cited alongside Roger Wïllén, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.
All Works
| # | Work | ||
|---|---|---|---|
| 1 | 2016 | 11 | |
| 2 | 2007 | 2 | |
| 3 | 2006 | 15 | |
| 4 | 2005 | 24 | |
| 5 | 2000 | 10 | |
| 6 | 2000 | 165 | |
| 7 | 1998 | 12 | |
| 8 | 1998 | 30 | |
| 9 | 1997 | 16 | |
| 10 | [Esophageal cancer on the increase. Is Barrett esophagus the cause?]. | 1996 | 1 |
| 11 | 1996 | 63 | |
| 12 | 1993 | 117 | |
| 13 | Helicobacter pylori and atrophic gastritis. | 1992 | 2 |
| 14 | 1992 | 1 | |
| 15 | 1992 | 4 | |
| 16 | 1992 | 48 | |
| 17 | Endometrial hyperplasia. Clinico-pathological considerations of a prospective randomised study after abrasio only or high-dose gestagen treatment. Results of 2 years follow-up of 292 patients. | 1991 | 11 |
| 18 | 1988 | 8 | |
| 19 | 1987 | 112 | |
| 20 | 1982 | 1 |
About Roger Wïllén
Roger Wïllén is a scholar working on Obstetrics and Gynecology, Reproductive Medicine, Surgery, Gastroenterology and Cancer Research, having authored 201 papers that have together received 4.7k indexed citations. Recurring topics across this work include Endometrial and Cervical Cancer Treatments (29 papers), Helicobacter pylori-related gastroenterology studies (23 papers), Microscopic Colitis (19 papers), Inflammatory Bowel Disease (19 papers), Cervical Cancer and HPV Research (16 papers), Ovarian cancer diagnosis and treatment (12 papers), Eosinophilic Esophagitis (11 papers) and Estrogen and related hormone effects (11 papers). The work is most often cited by research in Gastroenterology (341 citations), Otorhinolaryngology (238 citations), Obstetrics and Gynecology (383 citations), Surgery (1.8k citations) and Genetics (1.0k citations). Roger Wïllén has collaborated with scholars based in Sweden, United Kingdom and United States. Frequent co-authors include Torkel Wadström, Stig Bengmark, U Stendahl, Helena Willén, Xin Wang, Roland Andersson, Christer Staël von Holstein, A. Ar'Rajab, Renata Fabia and Ulf K. Zätterström. Their work appears in journals such as International Journal of Cancer, Scandinavian Journal of Gastroenterology, Upsala Journal of Medical Sciences, Apmis and International Journal of Gynecological Cancer.
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.