A candidate genetic risk factor for vascular disease: A common mutation in methylenetetrahydrofolate reductase - Frosst, P; Blom, HJ; Milos, R; Goyette, P; Sheppard, CA; Maatthews, RG; Boers, GJ; den Heijer, M; Kluijtmans, LA; van den Heuvel, LP; Rozen, R (Nature Genet, 1995)