title: Improved polymeric contrast agents for roentgenologic examination of the gastrointestinal tract. I. Preliminary report on the chemistry of the polymers.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003287:Contrast Media / Q000138:chemical synthesis*; D004064:Digestive System / Q000000981:diagnostic imaging*; D006863:Hydrogen-Ion Concentration; D008970:Molecular Weight; D011108:Polymers / Q000138:chemical synthesis; D011859:Radiography; D012995:Solubility; D014283:Triiodobenzoic Acids / Q000138:chemical synthesis
chemical_list: D003287:Contrast Media; D011108:Polymers; D014283:Triiodobenzoic Acids