title: Truths, associations, and hypotheses.
authors.forename: Haresh
authors.initials: H
authors.lastname: Kirpalani
authors.forename: Robin
authors.initials: R
authors.lastname: Whyte
mesh_terms: D017707:Erythrocyte Transfusion / Q000009:adverse effects*; D017052:Hospital Mortality; D006801:Humans; D007234:Infant, Premature; D019102:Infant, Very Low Birth Weight