Elevated total plasma homocysteine and 677C→T mutation of the 5, 10-methylenetetrahydrofolate reductase gene in thrombotic vascular disease. - de Franchis,R.; Mancini,F.P.; D'Angelo,A.; Sebastio,G.; Fermo,I.; de Stefano,V.; Margaglione,M.; Mazzola,G.; di Minno,G.; Andria,G. (Am J Hum Genet, 1996)