發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Lymphatic endothelial progenitors bud from the cardinal vein and intersomitic vessels in mammalian embryos