RT Journal Article SR Electronic T1 Pneumosinus dilatans and arachnoid cyst: a unique association. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 209 OP 211 VO 13 IS 1 A1 Dross, P E A1 Lally, J F A1 Bonier, B YR 1992 UL http://www.ajnr.org/content/13/1/209.abstract AB