Niino D, Tsukasaki K, Torii K, Imanishi D, Tsuchiya T, Onimaru Y, Tsushima H, Yoshida S, Yamada Y, Kamihira S, Tomonaga M. Human Herpes virus 8-negative primary effusion lymphoma with BCL6 rearrangement in a patient with idiopathic CD4 positive T-lymphocytopenia. Haematologica 2007; 93(1):e21-e23; https://doi.org/10.3324/haematol.12085.