أرسل هذا في رسالة قصيرة: Decreased levels of matrix metalloproteinase-2 in root-canal exudates during root canal treatment

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