James ML, Langefeld CD, Sekar P, Moomaw CJ, Elkind MSV, Worrall BB, Sheth KN, Martini SR, Osborne J, Woo D. Assessment of the interaction of age and sex on 90-day outcome after intracerebral hemorrhage. Neurology. 2017 Sep 05; 89(10):1011-1019.