RT Journal Article SR Electronic T1 MR Imaging of Asymptomatic Brainstem and Spinal Cord Lesions in Sisters with Neurofibromatosis JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP S71 OP S72 VO 10 IS 5 suppl A1 Kim, Tony A1 Foust, Robert J. A1 Mojtahedi, Saeid YR 1989 UL http://www.ajnr.org/content/10/5_suppl/S71.abstract AB