Hron, G., Lombardi, R., Eichinger, S., Lecchi, A., Kyrle, P. A. and Cattaneo, M. (2007) “Low vitamin B6 levels and the risk of recurrent venous thromboembolism”, Haematologica. Pavia, Italy, 92(9), pp. 1250-1253. doi: 10.3324/haematol.11318.