RT Journal Article SR Electronic T1 Sonographic diagnosis of ascending transtentorial herniation of posterior fossa cystic masses. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 194 OP 196 VO 9 IS 1 A1 Balsara, V J A1 Raval, B K A1 Hargadine, J R A1 Miner, M E YR 1988 UL http://www.ajnr.org/content/9/1/194.abstract AB