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