發送短信 : Influenza vaccination in the off-label grey zone

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