Indoleamine 2,3-dioxygenase expression in chronic myelogenous leukemia patients: association with disease progression - Marti, L.; Castro, Fabíola Attié de; Jacysyn, J. F.; Tobo, P. R.; Lopes, L. R.; Hamerschlak, N.; Zanichelli, M. A.; Candido, D. L. A.; Okamoto, Oswaldo Keith; Amarante-Mendes, João Gustavo Pessini; Moreira-Filho, Carlos Alberto (Meeting of the Brazilian Society of Immunology, 2005)