RT Journal Article SR Electronic T1 Tuning in on Tumor Activity with Proton MR Spectroscopy JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 807 OP 808 VO 22 IS 5 A1 Lester A. Kwock YR 2001 UL http://www.ajnr.org/content/22/5/807.abstract AB