發送短信 : Systematic evaluation of CRISPR-Cas systems reveals design principles for genome editing in human cells

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