title: Radiographic contrast agents--a perspective.
mesh_terms: D000305:Adrenal Cortex Hormones / Q000627:therapeutic use; D055598:Chemical Phenomena; D002621:Chemistry; D003287:Contrast Media / Q000009:adverse effects*; D006801:Humans; D007477:Ions; D009994:Osmolar Concentration; D011859:Radiography / Q000009:adverse effects
chemical_list: D000305:Adrenal Cortex Hormones; D003287:Contrast Media; D007477:Ions