Battiwalla M, Fakhrejahani F, Jain NA, Klotz JK, Pophali PA, Draper D, Haggerty J, McIver Z, Jelinek J, Chawla K, Ito S, Barrett J. Radiation exposure from diagnostic procedures following allogeneic stem cell transplantation--how much is acceptable? Hematology. 2014 Jul; 19(5):275-9.