RT Journal Article SR Electronic T1 The World Federation of Neuroradiological Societies: a proposal. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 845 OP 847 VO 12 IS 5 A1 D C Harwood-Nash YR 1991 UL http://www.ajnr.org/content/12/5/845.abstract AB