RT Journal Article SR Electronic T1 Sonographic appearance of congenital malignant astrocytoma. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 814 OP 815 VO 5 IS 6 A1 R A Osborn A1 J P McGahan A1 A B Dublin YR 1984 UL http://www.ajnr.org/content/5/6/814.abstract AB