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MedicineHealth SciencesClinical EpidemiologyEpidemiologyGastroenterologyColonic DiseasesColonic DisordersDisease IncidenceGastrointestinal DiseaseIncidence StudiesInflammatory Bowel DiseaseCommunity Incidence StudyCross-sectional Incidence Study
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Cigarette smoking and inflammatory bowel disease
M V Tobin, Richard F. Logan, M. J. S. Langman et al. · Gastroenterology · 1987 · 194 citations
Epidemiology of Crohn's disease in Regio Leiden, the Netherlands
S Shivananda, A. S. Peña, Martijn Nap et al. · Gastroenterology · 1987 · 76 citations