Mehta RS, Bassett R, Chen J, Valdez BC, Kawedia J, Alousi AM, Anderlini P, Al-Atrash G, Bashir Q, Ciurea SO, et al. Myeloablative Fractionated Busulfan with Fludarabine in Older Patients: Long Term Disease-Specific Outcomes of a Prospective Phase II Clinical Trial. Transplant Cell Ther. 2021.