Relationship between event-free survival and overall survival in acute myeloid leukemia: a report from SWOG, HOVON/SAKK, and MRC/NCRI oleh Megan Othus, Wim van Putten, Bob Lowenberg, Stephen H. Petersdorf, Sucha Nand, Harry Erba, Frederick Appelbaum, Robert Hills, Nigel Russell, Alan Burnett, Elihu Estey