RT Journal Article SR Electronic T1 Are C1–2 Punctures for Routine Cervical Myelography below the Standard of Care? JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A1594 A1 D.M. Yousem A1 S.K. Gujar YR 2009 UL http://www.ajnr.org/content/early/2009/04/15/ajnr.A1594.abstract AB