Randen U, Trøen G, Tierens A, Steen C, Warsame A, Beiske K, Tjønnfjord GE, Berentsen S, Delabie J. Primary cold agglutinin-associated lymphoproliferative disease: a B-cell lymphoma of the bone marrow distinct from lymphoplasmacytic lymphoma. Haematologica 2014; 99(3):497-504; https://doi.org/10.3324/haematol.2013.091702.