RT Journal Article SR Electronic T1 MR-guided needle biopsy with a high-field-strength MR system. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1268 OP 1268 VO 12 IS 6 A1 Lufkin, R B YR 1991 UL http://www.ajnr.org/content/12/6/1268.2.abstract AB