RT Journal Article SR Electronic T1 Congenital choroid plexus papilloma of the third ventricle: diagnosis with real-time sonography and MR imaging. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 797 OP 798 VO 9 IS 4 A1 K P Schellhas A1 R C Siebert A1 K B Heithoff A1 R A Franciosi YR 1988 UL http://www.ajnr.org/content/9/4/797.abstract AB