RT Journal Article SR Electronic T1 Hemorrhagic Factors of Moyamoya Disease JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1672 OP 1673 DO 10.3174/ajnr.A6217 VO 40 IS 10 A1 X. Lv YR 2019 UL http://www.ajnr.org/content/40/10/1672.abstract AB