Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleQuantifying bias reduction with fixed‐duration versus all‐available covariate assessment periods.AuthorsConnolly, John G.; Schneeweiss, Sebastian; Glynn, Robert J.; Gagne, Joshua J.PublicationPharmacoepidemiology & Drug Safety, 2019, Vol 28, Issue 5, p665ISSN1053-8569Publication typeArticleDOI10.1002/pds.4729