We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEstimating treatment effects using observational data.AuthorsD'Agostino, Ralph B, Jr; D'Agostino, Ralph B, SrPublicationJAMA, 2007, Vol 297, Issue 3, p314ISSN1538-3598Publication typeCommentaryDOI10.1001/jama.297.3.314