title: Letter: Inference on mean values and proportions of clinical observation.
mesh_terms: D003287:Contrast Media / Q000009:adverse effects*; D006636:Histamine Release / Q000187:drug effects*; D006801:Humans; D007668:Kidney / Q000000981:diagnostic imaging*; D011859:Radiography; D013223:Statistics as Topic
chemical_list: D003287:Contrast Media