أرسل هذا في رسالة قصيرة: Electro spun dual structured and three-dimensional biodegradable scaffolds for bone and cartilage tissue engineering

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