Roberto Castelli, Daniela Lambertenghi Deliliers, Lorenza C. Zingale, Enrico Maria Pogliani, and Marco Cicardi. 2007. “Lymphoproliferative Disease and Acquired C1 Inhibitor Deficiency”. Haematologica 92 (5). Pavia, Italy, 716-18. https://doi.org/10.3324/haematol.10769.