title: Controlled trials of radiologic contrast media: issues in quality assessment and synthesis.
authors.affiliation: Johns Hopkins Program for Medical Technology and Practice Assessment, Johns Hopkins University School of Medicine, Baltimore, MD 21205.
authors.forename: N R
authors.initials: NR
authors.lastname: Powe
authors.forename: M L
authors.initials: ML
authors.lastname: Kinnison
authors.forename: E P
authors.initials: EP
authors.lastname: Steinberg
mesh_terms: D003287:Contrast Media / Q000009:adverse effects; D006801:Humans; D009994:Osmolar Concentration; D016032:Randomized Controlled Trials as Topic / Q000379:methods*
chemical_list: D003287:Contrast Media