Heterozygosity for Homocystinuria in Premature Peripheral & Cerebral Occlusive Arterial DiseaseNEJM 313:709-715, Boers,G.H.J.,et al, 1985
"Idiopathic"Thrombosis in the Vertebrobasilar Arterial System in Young MenBMJ 1:26, Graham,D.I., 1972