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

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Text this: Serologic characteristics of hepatitis B virus among hill-tribe children in Omkoi district, Chiangmai province, Thailand