title: Accuracy of upper GI study in ulcerative gastric lesions.
mesh_terms: D001466:Barium Sulfate; D001706:Biopsy; D005069:Evaluation Studies as Topic; D005756:Gastritis / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000473:pathology; D005773:Gastroscopy; D006801:Humans; D011859:Radiography; D013274:Stomach Neoplasms / Q000175:diagnosis / Q000000981:diagnostic imaging* / Q000473:pathology; D013276:Stomach Ulcer / Q000175:diagnosis / Q000000981:diagnostic imaging* / Q000473:pathology
chemical_list: D001466:Barium Sulfate