Liu J-T, Tzeng C-S, Tsou H-H. Establishing Non-Inferiority of a New Treatment in a Three-Arm Trial: Apply a Step-Down Hierarchical Model in a Papulopustular Acne Study and an Oral Prophylactic Antibiotics Study. ijsmr [Internet]. 2014 Jan. 31 [cited 2024 Nov. 23];3(1):11-20. Available from: https://lifescienceglobal.com/pms/index.php/ijsmr/article/view/1581