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

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Text this: Treatment Effect and Sensitivity Analysis for Self-Selected Treatment and Selectively Observed Response