發送短信 : Indicators for an extended length of stay in the emergency service unit of a Thai community hospital: A multi-level analysis

 ______    __   __   _    _    __   __   __   __  
|      \\  \ \\/ // | |  | ||  \ \\/ //  \ \\/ // 
|  --  //   \ ` //  | |/\| ||   \ ` //    \   //  
|  --  \\    | ||   |  /\  ||    | ||     / . \\  
|______//    |_||   |_// \_||    |_||    /_//\_\\ 
`------`     `-`'   `-`   `-`    `-`'    `-`  --`