Penning de Vries, Bas BL, and Rolf HH Groenwold. “A Comparison of Two Approaches to Implementing Propensity Score Methods Following Multiple Imputation”. Epidemiology, Biostatistics, and Public Health 14, no. 4 (2017). Accessed May 19, 2025. https://riviste.unimi.it/index.php/ebph/article/view/17470.