title: The expression of the CD56 antigen is associated with poor prognosis in patients with acute myeloid leukemia.
authors.affiliation: Hematology and Oncology Department, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo - FMRP-USP, Ribeirão Preto, SP, Brazil.
authors.forename: Eduardo Magalhães
authors.initials: EM
authors.lastname: Rego