RT Journal Article SR Electronic T1 Ectopia of the posterior pituitary gland or lipoma? JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 579 OP 581 VO 12 IS 3 YR 1991 UL http://www.ajnr.org/content/12/3/579.abstract AB