Text this: Testing of non-inferiority and superiority for three-arm clinincal studies with multiple experimental treatments

  _  __    _____     ____      ______   ______   
 | |/ //  |  ___||  |  _ \\   /_   _// |      \\ 
 | ' //   | ||__    | |_| ||   -| ||-  |  --  // 
 | . \\   | ||__    | .  //    _| ||_  |  --  \\ 
 |_|\_\\  |_____||  |_|\_\\   /_____// |______// 
 `-` --`  `-----`   `-` --`   `-----`  `------`