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

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發送短信 : The effects of text messaging for promoting the retention of the first-time blood donors, a randomized controlled study (TEXT study)