Treating octogenarian and nonagenarian acute myeloid leukemia patients--predictive prognostic models. - Harb AJ; Tan W; Wilding GE; Ford L; Sait SN; Block AW; Barcos M; Wallace PK; Wang ES; Wetzler M; Harb, Antoine J; Tan, Wei; et al. (Cancer (0008543X), 2009)