A common mutation in the methylene-tetrahydrofolate reductase gene (C677T) increases the risk for deep-vein thrombosis in patients with mutant factor V (factor V:Q506 ) - Zighetti, ML; Cattaneo, M; Tsai, MY; Bucciarelli, P; Taioli, E; Bignell, M; Mannucci, PM (1997)
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