title: The choice of contrast media: medical, ethical and legal considerations.
authors: D J
authors: DJ
authors: Roy
authors: B M
authors: BM
authors: Dickens
authors: M
authors: M
authors: McGregor
mesh_terms: D002170:Canada; D003287:Contrast Media / Q000009:adverse effects* / Q000191:economics; D004992:Ethics, Medical; D015276:Health Care Rationing / Q000191:economics* / Q000331:legislation & jurisprudence; D006801:Humans
chemical_list: D003287:Contrast Media