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  _____      ___                 ___      _  _   
 / ____||   / _ \\    ____      / _ \\   | \| || 
/ //---`'  / //\ \\  |    \\   / //\ \\  |  ' || 
\ \\___   |  ___  || | [] ||  |  ___  || | .  || 
 \_____|| |_||  |_|| |  __//  |_||  |_|| |_|\_|| 
  `----`  `-`   `-`  |_|`-`   `-`   `-`  `-` -`  
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Text this: Serum estradiol 17β and serum human chorionic gonadotropin in patients with hydatidiform moles