The G1691A mutation of factor V, but not the G20210A mutation of factor II or the C677T mutation of methylenetetrahydrofolate reductase genes, is associated with venous thrombosis in patients with lupus anticoagulants - Galli,M.; Finazzi,G.; Duca,F.; Norbis,F.; Moia,M. (Br J Haematol, 2000)