title: Hydroxyurea therapy in chronic myeloid leukemia.
mesh_terms: D002066:Busulfan / Q000627:therapeutic use; D006801:Humans; D006918:Hydroxyurea / Q000627:therapeutic use*; D007951:Leukemia, Myeloid / Q000188:drug therapy*
chemical_list: D002066:Busulfan; D006918:Hydroxyurea