1. 1. Bennett JM, Catovsky D, Daniel MT, Flandrin G, Galton DA, Gralnick HR et al. Proposals for the classification of the acute leukaemias. French-American-British (FAB) co-operative group. Br J Haematol. 1976;33:451-8
2. 2. Borowitz MJ, Bene MC, Harris NL, Porwit A, Matutes E: Acute leukemias of ambiguous lineage. In: Swerdlow SH, Campo E, Harris NL, et al, eds. World Health Organization Classification of Tumours, 4th edition. Lyon: International Agency for Research on Cancer (IARC),2008: 150-5.
3. 3. Campana D, Hansen-Hagge TE, Matutes E, Coustan-Smith E, Yokota S, Shetty V et al. Phenotypic, genotypic, cytochemical, and ultrastructural characterization of acute undifferentiated leukemia. Leukemia. 1990;4:620-4
4. 4. Cuneo A, Ferrant A, Michaux JL, Bosly A, Chatelain B, Stul M et al. Cytogenetic and clinicobiological features of acute leukemia with stem cell phenotype: study of nine cases. Cancer Genet Cytogenet. 1996 ;92:31-6
5. 5. Brito-Babapulle F, Pullon H, Layton DM, Etches A, Huxtable A, Mangi M et al. Clinicopathological features of acute undifferentiated leukaemia with a stem cell phenotype. Br J Haematol. 1990;76:210-4