We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleBlood transfusions: good or bad? Confounding by indication, an underestimated problem in clinical transfusion research.AuthorsMiddelburg, Rutger A; van de Watering, Leo M G; van der Bom, Johanna GPublicationTransfusion, 2010, Vol 50, Issue 6, p1181ISSN1537-2995Publication typeJournal ArticleDOI10.1111/j.1537-2995.2010.02675.x