title: A thinner, more flexible enema tip for the primary double-contrast colon examination.
mesh_terms: D001466:Barium Sulfate / Q000008:administration & dosage*; D002404:Catheterization / Q000295:instrumentation*; D003106:Colon / Q000000981:diagnostic imaging*; D004733:Enema / Q000295:instrumentation*; D006801:Humans; D011859:Radiography; D013679:Technology, Radiologic / Q000295:instrumentation*
chemical_list: D001466:Barium Sulfate