The Geography of Neurology
BMJ 2:506, Spillane,J.D., 1972
Cerebral Cavernous Malformations:Incidence and Familial Occurrence
NEJM 319:343-347, Rigamonti,D.,et al, 1988
Medical Implications of Computed Tomography ("Cat scanning")
NEJM 298:255, Abrams,H.L.,et al, 1978