title: How often is large smaller than small?
authors.forename: P W
authors.initials: PW
authors.lastname: Moorman
authors.forename: P D
authors.initials: PD
authors.lastname: Siersema
authors.forename: M A
authors.initials: MA
authors.lastname: de Ridder
authors.forename: A M
authors.initials: AM
authors.lastname: van Ginneken
mesh_terms: D004724:Endoscopy; D006801:Humans; D013276:Stomach Ulcer / Q000473:pathology*; D009626:Terminology as Topic