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|      \\  /_   _//  /_   _//  /_   _//   ____    
|  --  //   -| ||-   `-| |,-    -| ||-   |    \\  
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|______//  /_____//    |_||    /_____//  |  __//  
`------`   `-----`     `-`'    `-----`   |_|`-`   
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Text this: Letter to the editor: The ultimate proof of the log-linear nature of TSH-free T4 relationship by intraindividual analysis of a large Population