RT Journal Article SR Electronic T1 MR findings in the central nervous system of patients with a deletion of the long arm of chromosome 18(18q-) JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 399 OP 399 VO 19 IS 2 A1 L E Becker YR 1998 UL http://www.ajnr.org/content/19/2/399.abstract