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   _____    _____     _____    _    _    _____    
  / ___//  |  ___||  |__  //  | || | || |  __ \\  
  \___ \\  | ||__      / //   | || | || | |  \ || 
  /    //  | ||__     / //__  | \\_/ || | |__/ || 
 /____//   |_____||  /_____||  \____//  |_____//  
`-----`    `-----`   `-----`    `---`    -----`

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Text this: Rheumatic fever susceptibility in four ascertainments: Regressive segregation on a geometric ascertainment pattern