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

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Text this: A prototype of an automatic mattress turning device: a study of interface pressure at bony prominences in normal subjects