Heterozygosity for homocystinuria in premature peripheral and cerebral occlusive arterial disease - Boers, GHJ; Smals, AGH; Trijbels, JMF; Fowler, B; Bakkeren, JAJM; Schoonderwaldt, HC; Kleijer, WJ; Kloppenberg, PWC (N Eng J Med, 1985)