Stroke magnetic resonance imaging is accurate in hyperacute intracerebral hemorrhage: a multicenter study on the validity of stroke imaging. - Fiebach,J.B.; Schellinger,P.D.; Gass,A.; Kucinski,T.; Siebler,M.; Villringer,A.; Olkers,P.; Hirsch,J.G.; Heiland,S.; Wilde,P.; Jansen,O.; Rother,J.; et al. (Stroke, 2004)