- Coexistence of different clonal populations harboring the b3a2 (p210) and e1a2 (p190) BCR-ABL1 fusion transcripts in chronic myelogenous leukemia resistant to imatinib. Agirre, X., Román-Gómez, J., Vázquez, I., Jiménez-Velasco, A., Larráyoz, M.J., Lahortiga, I., Andreu, E.J., Márquez, J., Beltrán de Heredia, J.M., Odero, M.D., Prósper, F., Calasanz, M.J. Cancer Genet. Cytogenet. (2005)