[Considerations on radiation protection in indications for x-ray examinations of the gastrointestinal system].
D041981:Gastrointestinal Tract / Q000000981:diagnostic imaging*; D006801:Humans; D010808:Physical Examination; D011835:Radiation Protection; D011859:Radiography; D014965:X-Rays
GASTROINTESTINAL SYSTEM/radiography; RADIATION PROTECTION