D Veneri, H Aqel, M Franchini, M Krampera, R Zanotti, and G Pizzolo. 2004. “Malignant Evolution of Monoclonal Gammopathy of Undetermined Significance: Analysis of 633 Consecutive Cases With a Long Term Follow-up”. Haematologica 89 (7). Pavia, Italy, 876-78. https://doi.org/10.3324/%x.