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