We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleExtensions of the Penalized Spline of Propensity Prediction Method of Imputation.AuthorsZhang, Guangyu; Little, RoderickPublicationBiometrics, 2009, Vol 65, Issue 3, p911ISSN0006-341xPublication typearticleDOI10.1111/j.1541-0420.2008.01155.x