Patients who were receiving induction chemotherapy for acute myeloid leukemia were randomly assigned to receive one of four types of platelets transfusions : unmodified , pooled platelet concentrates from random donors ( control ) ; filtered , pooled platelet concentrates from random donors ( F-PC ) ; ultraviolet B-irradiated , pooled platelet concentrates from random donors ( UVB-PC ) ; or filtered platelets obtained by apheresis from single random donors ( F-AP ) .
