1. International Conference on Harmonisation (ICH).Statistical principles for clinical trials (ICH E9);1998.
2. European Medicines Agency (EMA).ICH E9 (R1) addendum on estimands and sensitivity analysis in clinical trials to the guideline on statistical principles for clinical trials—step 2b.2017;44(August):1–23.
3. European Medicines Agency (EMA).Guideline on missing data in confirmatory clinical trials.2011;1–12.