RT Journal Article SR Electronic T1 Is Lumbar Puncture Contraindicated in Patients with Chiari I Malformation? JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 985 OP 985 VO 26 IS 4 A1 Erbay, Sami H. A1 O’Callaghan, Mark G. A1 Bhadelia, Rafeeque YR 2005 UL http://www.ajnr.org/content/26/4/985.abstract AB