title: [Gastroscopic diagnostic criteria for chronic gastritis and peptic ulcer in children].
mesh_terms: D002648:Child; D002908:Chronic Disease; D005756:Gastritis / Q000175:diagnosis*; D020699:Gastroscopes; D006801:Humans; D010372:Pediatrics / Q000379:methods; D010437:Peptic Ulcer / Q000175:diagnosis*