RT Journal Article SR Electronic T1 Spontaneous expulsive choroidal hemorrhage: CT findings. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1208 OP 1209 VO 11 IS 6 A1 Knopp, E A A1 Chynn, K Y YR 1990 UL http://www.ajnr.org/content/11/6/1208.abstract AB