title: Radiologic examination of the gastrointestinal tract in infants and children under 4 years of age.
mesh_terms: D001466:Barium Sulfate / Q000008:administration & dosage; D002404:Catheterization; D002675:Child, Preschool; D003092:Colitis / Q000000981:diagnostic imaging; D003108:Colonic Diseases / Q000000981:diagnostic imaging; D004064:Digestive System / Q000000981:diagnostic imaging*; D004386:Duodenum / Q000000981:diagnostic imaging; D004733:Enema; D004935:Esophageal Diseases / Q000000981:diagnostic imaging; D005471:Fluoroscopy; D005547:Foreign Bodies / Q000000981:diagnostic imaging; D005767:Gastrointestinal Diseases / Q000000981:diagnostic imaging; D006801:Humans; D007223:Infant; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging; D007421:Intestine, Small / Q000000981:diagnostic imaging; D008722:Methods; D011187:Posture; D011874:Radiometry; D013272:Stomach Diseases / Q000000981:diagnostic imaging
chemical_list: D001466:Barium Sulfate