發送短信 : A study of needle-stick injuries among house officers in a major hospital.

 __   _      ___     __   __   __   __   _    _   
| || | ||   / _ \\   \ \\/ //  \ \\/ // | || | || 
| '--' ||  | / \ ||   \   //    \ ` //  | || | || 
| .--. ||  | \_/ ||   / . \\     | ||   | \\_/ || 
|_|| |_||   \___//   /_//\_\\    |_||    \____//  
`-`  `-`    `---`    `-`  --`    `-`'     `---`