Castelli, R., Deliliers, D. L., Zingale, L. C., Pogliani, E. M. and Cicardi, M. (2007) “Lymphoproliferative disease and acquired C1 inhibitor deficiency”, Haematologica. Pavia, Italy, 92(5), pp. 716-718. doi: 10.3324/haematol.10769.