D Gemmati, ML Serino, C Trivellato, S Fiorini and GL Scapoli (1999) “C677T substitution in the methylenetetrahydrofolate reductase gene as a risk factor for venous thrombosis and arterial disease in selected patients”, Haematologica. Pavia, Italy, 84(9), pp. 824-828. Available at: https://haematologica.org/article/view/1478 (Accessed: 27October2026).