title: Leukoreduction of transfused blood and postoperative infection: the "confounder variable" hypothesis.
authors: Arturo
authors: A
authors: Pereira
mesh_terms: D003140:Communicable Disease Control; D006801:Humans; D047589:Leukocyte Reduction Procedures / Q000379:methods / Q000706:statistics & numerical data*; D016017:Odds Ratio; D011183:Postoperative Complications / Q000517:prevention & control*; D015203:Reproducibility of Results