We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleRare outcomes, common treatments: analytic strategies using propensity scores.AuthorsBraitman, Leonard E; Rosenbaum, Paul RPublicationAnnals of internal medicine, 2002, Vol 137, Issue 8, p693ISSN1539-3704Publication typeResearchDOI10.7326/0003-4819-137-8-200210150-00015