Active and passive smoking and the risk of subarachnoid hemorrhage: an international population-based case-control study

Anderson CS, Feigin V, Bennett D, Lin RB, Hankey G, Jamrozik K, Australasian Cooperative Research on Subarachnoid Hemorrhage Study (ACROSS) Group. Active and passive smoking and the risk of subarachnoid hemorrhage: an international population-based case-control study. Stroke. 2004; 35(3): 633-7.