title: [Entrance surface doses in patients during upper gastrointestinal examination (author's transl)].
mesh_terms: D000328:Adult; D000368:Aged; D001830:Body Surface Area; D004064:Digestive System / Q000000981:diagnostic imaging*; D005260:Female; D005471:Fluoroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged; D011336:Probability; D011829:Radiation Dosage; D011859:Radiography / Q000295:instrumentation