發送短信 : Electro spun dual structured and three-dimensional biodegradable scaffolds for bone and cartilage tissue engineering

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