Hayes AF, Rockwood NJ. Regression-based statistical mediation and moderation analysis in clinical research: observations, recommendations, and implementation. Behav Res Ther. 2017 Nov;98:39-57. doi: 10.1016/j.brat.2016.11.001
Westfall PH, Prillaman B, Ho SY. Properties of multiple intersection-union tests for multiple endpoints in combination therapy trials. J Biopharm Stat. 2001;11(3):125-38. doi: 10.1081/BIP-100107653