Mohd Yusof, Zurina, and Nor Afzalina Azmee. “A Narrative Review of Two-Arm and Three-Arm Non-Inferiority Clinical Trials”. Journal of Science and Mathematics Letters 3 (June 1, 2015): 24–30. Accessed May 8, 2024. https://ojs.upsi.edu.my/index.php/JSML/article/view/354.