title: Red cell transfusion outcome studies require a prospective, randomized design.
authors.forename: R B
authors.initials: RB
authors.lastname: Weiskopf
mesh_terms: D017707:Erythrocyte Transfusion; D006801:Humans; D008297:Male; D011446:Prospective Studies; D011897:Random Allocation; D012107:Research Design; D016896:Treatment Outcome