title: [Digestive system diseases and fecal occult blood].
authors.forename: E
authors.initials: E
authors.lastname: Kobashi
mesh_terms: D003110:Colonic Neoplasms / Q000175:diagnosis; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis*; D006801:Humans; D009780:Occult Blood; D012680:Sensitivity and Specificity