A common mutation in the methylene-tethrahydrofolate reductase gene (C677T) increases the risk for deep-vein thrombosis in patients with mutant Factor V (Factor V:Q506) - Cattaneo, M; Tsai, M Y; Bucciarelli, P; Taioli, E; Zighetti, M L; Bignell, M; Mannucci ’, P M (Blood, 1996)
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