title: [Validity of the study of gastric secretions].
authors.forename: M
authors.initials: M
authors.lastname: Schraier
mesh_terms: D005744:Gastric Acid / Q000378:metabolism*; D005745:Gastric Acidity Determination; D005756:Gastritis / Q000175:diagnosis*; D005757:Gastritis, Atrophic / Q000175:diagnosis*; D006801:Humans; D010437:Peptic Ulcer / Q000175:diagnosis*
vernacular_title: Vigencia del estudio secretorio gástrico.