1.
A.J. Ferreri, G.P. Dognini, C. Verona, C. Patriarca, C. Doglioni, M. Ponzoni. Re-occurrence of the CD20 molecule expression subsequent to CD20-negative relapse in diffuse large B-cell lymphoma. Haematologica 2007;92(1):e1-e2; https://doi.org/10.3324/haematol.10255.