title: ENDOSCOPY IN THE DIFFERENTIATION OF BENIGN AND MALIGNANT GASTRIC ULCERATION.
mesh_terms: D003937:Diagnosis, Differential; D004724:Endoscopy; D006801:Humans; D010437:Peptic Ulcer; D013276:Stomach Ulcer
keywords: DIAGNOSIS, DIFFERENTIAL; ENDOSCOPY; PEPTIC ULCER