RT Journal Article SR Electronic T1 Presence of Activated Microglia in a High-Signal Lesion on T1-Weighted MR Images: A Biopsy Sample Re-Examined JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 602 OP 602 VO 28 IS 4 A1 Shan, Din-E A1 Pan, Hung-Chi A1 Ho, Donald M.T. A1 Teng, Michael M.H. A1 Chang, Chen YR 2007 UL http://www.ajnr.org/content/28/4/602.abstract AB