title: Prevalence of gastrointestinal problems in occupations: a retrospective study.
authors.forename: Mark H
authors.initials: MH
authors.lastname: Hyman
authors.forename: Samantha
authors.initials: S
authors.lastname: Wu
authors.forename: Hamed
authors.initials: H
authors.lastname: Hafizi
authors.forename: Yihang
authors.initials: Y
authors.lastname: Liu
mesh_terms: D000428:Alcohol Drinking / Q000453:epidemiology; D053704:Capsule Endoscopy; D005767:Gastrointestinal Diseases / Q000175:diagnosis / Q000453:epidemiology*; D006801:Humans; D009784:Occupational Diseases / Q000175:diagnosis / Q000453:epidemiology*; D015995:Prevalence; D012189:Retrospective Studies; D012907:Smoking / Q000453:epidemiology