Quality assurance program for peripheral blood mononuclear cell cryopreservation - Weinberg, Adriana; Louzão, Raul; Mussi-Pinhata, Marisa Márcia; Cruz, Maria L. S.; Pinto, Jorge A.; Huff, Maria F.; Castro, Andrea C. de; Sucupira, Maria C.; Denny, Thomas N. (Clinical and Vaccine Immunology, 2007)