Improved cure rate by very early intensification combined with prolonged maintenance chemotherapy in patients with acute myeloid leukemia: data from the AML Cooperative Group. - Büchner ,T.; Hiddemann ,W.; Löffler ,G.; Gassmann ,W.; Maschmeyer ,G.; Heit ,W.; Hossfeld ,D.; Weh ,H.; Ludwig ,W.D.; Thiel ,E.; Nowrousian ,M.; Aul ,H.C.; et al. (Semin Hematol, 1991)