Text this

Number:

Provider:

CAPTCHA:

 _____      ______    ______    _____      _____  
|  __ \\   /_   _//  /_   _//  |  ___||   / ___// 
| |  \ ||   -| ||-   `-| |,-   | ||__     \___ \\ 
| |__/ ||   _| ||_     | ||    | ||__     /    // 
|_____//   /_____//    |_||    |_____||  /____//  
 -----`    `-----`     `-`'    `-----`  `-----`

Please enter what you see:

Text this: Dynamic changes in Sox2 spatio-temporal expression promote the second cell fate decision through Fgf4/Fgfr2 signaling in preimplantation mouse embryos