The natural history of homocystinuria due to cystathionine ß-synthase deficiency - Mudd, HS; Skovby, F; Levy, HL; Pettigrew, KD; Wilcken, B; Pyeritz, RE; Andria, G; Boers, GHJ; Bromberg, IL; Cerone, R; Fowler, B; Grobe, H; Schmidt, H; Schweitzer, L (Am J Hum Genet, 1985)