Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitlePropensity scores for rare outcomes and common treatments.AuthorsLongstreth, W T Jr; Fahrenbruch, Carol E; Koepsell, Thomas DPublicationAnnals of Internal Medicine, 2003, Vol 139, Issue 2, p152ISSN0003-4819Publication typecommentaryDOI10.7326/0003-4819-139-2-200307150-00018