Sahebi F, Eikema D-J, Koster L, Kröger N, Meijer E, van Doesum JA, Rovira M, Koc Y, Angelucci E, Blaise D, et al. Post-Transplant Cyclophosphamide for Graft vs Host Disease Prophylaxis in Multiple Myeloma Patients Who Underwent Allogeneic Hematopoietic Cell Transplantation: First Comparison by Donor Type: A Study from the Chronic Malignancies Working Party of the EBM. Transplant Cell Ther. 2021.