PT - JOURNAL ARTICLE AU - Levy, J M AU - Hupke, R TI - Composite addition technique: a new method in CT scanning of the posterior fossa. DP - 1991 Jul 01 TA - American Journal of Neuroradiology PG - 686--688 VI - 12 IP - 4 4099 - http://www.ajnr.org/content/12/4/686.short 4100 - http://www.ajnr.org/content/12/4/686.full SO - Am. J. Neuroradiol.1991 Jul 01; 12