Prevention of transfusion-associated graft-versus-host disease by irradiation: technical aspect of a new ferrous sulphate dosimetric system - Del Lama, Lucas Sacchini; Góes, Evamberto Garcia de; Petchevist, Paulo César Dias; Moretto, Lara; Borges, José Carlos; Covas, Dimas Tadeu; Almeida, Adelaide de (PLos One, 2013)