title: Patients with chronic myeloid leukemia treated with imatinib who showed the appearance of clonal cytogenetic abnormalities in Philadelphia chromosome-negative cells.
authors: M M
authors: MM
authors: da Rocha
authors: L
authors: L
authors: Otero
authors: T F
authors: TF
authors: Padilha
authors: J
authors: J
authors: Dobbin
authors: C
authors: C
authors: de Souza Fernandez
authors: E
authors: E
authors: Abdelhay
authors: T
authors: T
authors: de Souza Fernandez