PT - JOURNAL ARTICLE AU - Altman, N R AU - Naidich, T P AU - Braffman, B H TI - Posterior fossa malformations. DP - 1992 Mar 01 TA - American Journal of Neuroradiology PG - 691--724 VI - 13 IP - 2 4099 - http://www.ajnr.org/content/13/2/691.short 4100 - http://www.ajnr.org/content/13/2/691.full SO - Am. J. Neuroradiol.1992 Mar 01; 13