أرسل هذا في رسالة قصيرة: A systematic review of randomized controlled trials of bupropion versus methylphenidate in the treatment of attention-deficit/ hyperactivity disorder

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