أرسل هذا في رسالة قصيرة: Behavioral and quality-of-life outcomes in different service models for methadone maintenance treatment in Vietnam

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