title: [Functional gastrointestinal disorders (FGID): progress in diagnosis and treatments. Topic I. Basic knowledge of functional gastrointestinal disorders (FGID); 1. Epidemiology of FGID].
authors.affiliation: Division of Upper Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Japan.
authors.forename: Tadayuki
authors.initials: T
authors.lastname: Oshima
authors.forename: Hiroto
authors.initials: H
authors.lastname: Miwa
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005767:Gastrointestinal Diseases / Q000453:epidemiology*; D006801:Humans; D007564:Japan / Q000453:epidemiology; D008875:Middle Aged