Carbonnel, F Environmental risk factors in Crohn's disease and ulcerative colitis: an update. [electronic resource] - Gastroenterologie clinique et biologique Jun 2009 - S145-57 p. digital Publication Type: Journal Article ISSN: 0399-8320 Standard No.: 10.1016/S0399-8320(09)73150-1 doi Subjects--Topical Terms: Anti-Bacterial Agents--adverse effectsAppendectomy--adverse effectsColitis, Ulcerative--epidemiologyContraceptives, Oral--adverse effectsCrohn Disease--epidemiologyDiet--adverse effectsEnvironmental Exposure--adverse effectsEvidence-Based MedicineFrance--epidemiologyHumansIncidenceRisk FactorsSmoking--adverse effectsSocioeconomic FactorsStress, Psychological--complications