AbstractIn this article, I review Flexible Parametric Survival Analysis Using Stata: Beyond the Cox Model, by Patrick Royston and Paul C. Lambert (2011 [Stata Press]).Keywordsgn0057flexible parametric survival modelssurvival analysisReferences1. Cleves M. , Gould W. , Gutierrez R. G. , and Marchenko Y. V. 2010. An Introduction to Survival Analysis Using Stata. 3rd ed. College Station, TX: Stata Press.2. Royston P. , and Lambert P. C. 2011. Flexible Parametric Survival Analysis Using Stata: Beyond the Cox Model. College Station, TX: Stata Press.