發送短信 : Is spinal surgery safe for elderly patients aged 80 and above? Predictors of mortality and morbidity in an Asian population

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