We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHealthy User and Related Biases in Observational Studies of Preventive Interventions: A Primer for PhysiciansAuthorsShrank, William; Patrick, Amanda; Alan Brookhart, M.PublicationJournal of General Internal Medicine, 2011, Vol 26, Issue 5, p546ISSN0884-8734Publication typearticleDOI10.1007/s11606-010-1609-1