title: Bad bad blood?
authors: Jeffrey L
authors: JL
authors: Carson
authors: Richard C
authors: RC
authors: Reynolds
authors: Harvey G
authors: HG
authors: Klein
mesh_terms: D002986:Clinical Trials as Topic; D015986:Confounding Factors, Epidemiologic; D016638:Critical Illness; D017707:Erythrocyte Transfusion / Q000009:adverse effects*; D006801:Humans; D007362:Intensive Care Units; D012306:Risk