RT Journal Article SR Electronic T1 Direct Thrombolytic Therapy for Superior Sagittal Sinus Thrombosis JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP S4 OP S6 VO 10 IS 5 suppl A1 Randall T. Higashida A1 Edward Helmer A1 Van V. Halbach A1 Grant B. Hieshima YR 1989 UL http://www.ajnr.org/content/10/5_suppl/S4.abstract AB