title: [Controlled biopsy in the diagnosis of gastric ulcers].
mesh_terms: D001706:Biopsy; D003937:Diagnosis, Differential; D005773:Gastroscopy; D006801:Humans; D013270:Stomach / Q000473:pathology; D013276:Stomach Ulcer / Q000175:diagnosis* / Q000473:pathology
vernacular_title: La biopsie dirigée dans le diagnostic des ulcérations gastriques.