title: Circle of Willis: evaluation by computed tomography angiography with different concentration of contrast media.
authors.affiliation: Department of Diagnostic Radiology and Organ Imaging, Prince of Wales Hospital, Hong Kong.
authors.forename: W W
authors.initials: WW
authors.lastname: Lam
authors.forename: K S
authors.initials: KS
authors.lastname: Wong
authors.forename: R
authors.initials: R
authors.lastname: Kay
authors.forename: C
authors.initials: C
authors.lastname: Metreweli
mesh_terms: D001921:Brain / Q000000981:diagnostic imaging; D002533:Cerebral Angiography; D002941:Circle of Willis / Q000000981:diagnostic imaging*; D003287:Contrast Media; D004828:Epilepsies, Partial / Q000000981:diagnostic imaging*; D006801:Humans; D014057:Tomography, X-Ray Computed / Q000379:methods*
chemical_list: D003287:Contrast Media