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            _____     ____     __   __            
    ___    |  ___||  |  _ \\   \ \\/ //   ____    
   /   ||  | ||__    | |_| ||   \ ` //   |    \\  
  | [] ||  | ||__    | .  //     | ||    | [] ||  
   \__ ||  |_____||  |_|\_\\     |_||    |  __//  
    -|_||  `-----`   `-` --`     `-`'    |_|`-`   
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Text this: Two years of intrauterine contraception with levonorgestrel and with copper: A randomized comparison of the TCu 380Ag and levonorgestrel 20 mcg/day device