[1] Roswell Pk Canc Inst, Div Hematol Oncol, Lymphoma Serv, Buffalo, NY 14263 USA
[2] Roswell Pk Canc Inst, Div Bone Marrow Transplantat, Lymphoma Serv, Buffalo, NY 14263 USA
[3] Berlex Labs Inc, Richmond, CA USA
[4] Genentech Inc, San Francisco, CA 94080 USA
[5] IDEC Pharmaceut, San Diego, CA USA