أرسل هذا في رسالة قصيرة: Characterization of hydroxyapatite/silk fibroin/chitosan scaffold for cartilage tissue engineering

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