title: Gastrointestinal contrast agents. Indications, uses, and risks.
mesh_terms: D000284:Administration, Oral; D001466:Barium Sulfate / Q000008:administration & dosage* / Q000009:adverse effects; D003287:Contrast Media / Q000008:administration & dosage* / Q000009:adverse effects; D004064:Digestive System / Q000000981:diagnostic imaging*; D005119:Extravasation of Diagnostic and Therapeutic Materials / Q000150:complications; D006801:Humans; D007415:Intestinal Obstruction / Q000209:etiology; D011654:Pulmonary Edema / Q000209:etiology; D011859:Radiography; D012306:Risk
chemical_list: D003287:Contrast Media; D001466:Barium Sulfate