Concepedia
Statistics
Publications
120
Citations
6.6K
H-Index
44
Active since
1979
Affiliations
Karolinska Institutet(Current)
Sachs' Children and Youth Hospital
Örebro University Hospital
Stockholm South General Hospital
Karolinska University Hospital
Ola Olén is an author at Karolinska Institutet specializing in medicine, gastroenterology, and epidemiology.
Top concepts
MedicineGastroenterologyEpidemiologyPublic HealthPathologyPediatricsOncologyInflammationCancer ResearchColorectal Cancer
Publications per year
1979–2025
Colorectal cancer in ulcerative colitis: a Scandinavian population-based cohort study
Ola Olén, Rune Erichsen, Michael C. Sachs et al. · The Lancet · 2020 · 440 citations
Epidemiology, Cancer Epidemiology, Gastrointestinal Oncology +8
Sex-Based Differences in Incidence of Inflammatory Bowel Diseases—Pooled Analysis of Population-Based Studies From Western Countries
Shailja C. Shah, Hamed Khalili, Corinne Gower‐Rousseau et al. · Gastroenterology · 2018 · 269 citations
Sexual Health, Epidemiological Trend, Western Countries +10
Antibiotic use and the development of inflammatory bowel disease: a national case-control study in Sweden
Long H. Nguyen, Anne K. Örtqvist, Yin Cao et al. · The Lancet. Gastroenterology & hepatology · 2020 · 232 citations · Full text
Probiotic, Dysbiosis, Antibiotics +10
Incidence and Treatment of Patients Diagnosed With Inflammatory Bowel Diseases at 60 Years or Older in Sweden
Åsa H. Everhov, Jonas Halfvarson, Pär Myrelid et al. · Gastroenterology · 2017 · 219 citations
Epidemiology, Functional Gastrointestinal Disorder, Geriatrics +5
Adherence to a Mediterranean diet is associated with a lower risk of later-onset Crohn’s disease: results from two large prospective cohort studies
Hamed Khalili, Niclas Håkansson, Simon Chan et al. · Gut · 2020 · 213 citations
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