title: Massive blood transfusion and mortality in polytrauma patients.
authors: M
authors: M
authors: Muñoz
authors: A
authors: A
authors: Campos
authors: G
authors: G
authors: Ramírez
mesh_terms: D000328:Adult; D001803:Blood Transfusion / Q000401:mortality*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009104:Multiple Trauma / Q000401:mortality* / Q000628:therapy*; D016017:Odds Ratio; D012189:Retrospective Studies; D012307:Risk Factors; D013030:Spain / Q000453:epidemiology