發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Comparative study of overlapping genes in bacteria, with special reference to Rickettsia prowazekii and Rickettsia conorii