title: Subarachnoid hemorrhage caused by rupture of a small superficial artery.
mesh_terms: D001344:Autopsy; D002533:Cerebral Angiography; D002539:Cerebral Arterial Diseases / Q000139:chemically induced* / Q000473:pathology; D002536:Cerebral Arteries / Q000473:pathology; D005260:Female; D006801:Humans; D008875:Middle Aged; D011149:Pons / Q000098:blood supply*; D012422:Rupture, Spontaneous; D013345:Subarachnoid Hemorrhage / Q000139:chemically induced* / Q000000981:diagnostic imaging / Q000473:pathology; D014859:Warfarin / Q000009:adverse effects* / Q000627:therapeutic use
chemical_list: D014859:Warfarin