Efficacy and tolerance of dasatinib after imatinib failure or intolerance for patients with chronic myeloid leukemia treated in three different hospitals compare well with results achievable in formal clinical trials. Issue 10 (October 2013) - Zackova, Daniela; Klamova, Hana; Muzik, Jan; Cmunt, Eduard; Racil, Zdenek; Machova Polakova, Katerina; Dvorakova, Dana; Jurcek, Tomas; Razga, Filip; Cetkovsky, Petr; Dusek, Ladislav; Mayer, Jiri