title: [An experiment in computer screening of gastric barium-filled X-ray films in erect anteroposterior position (author's transl)].
mesh_terms: D001466:Barium Sulfate; D002648:Child; D003201:Computers; D006801:Humans; D011859:Radiography; D013270:Stomach / Q000000981:diagnostic imaging*
chemical_list: D001466:Barium Sulfate