Elevated total plasma homocysteine and 677C T mutation of the 5,10-Methylenetetrahydrofolate reductase gene in thrombotic vascular disease. - De Franchis, R; Mancini, FP; D’Angelo, A; Sebastio, G; Fermo, I; De Stefano, V; Margaglione, M; Mazzola, G; Di Minno, G; Andria, G (Am J Hum Gen, 1996)