Destruction of Left Frontal Sinus, Via Natural or Artificial Opening Endoscopic
destruction of left frontal sinus, via natural or artificial opening endoscopic
Medical and Surgical @ Ear, Nose, Sinus @ Destruction @ Frontal Sinus, Left @ Via Natural or Artificial Opening Endoscopic @ No Device @ No Qualifier
medical and surgical @ ear, nose, sinus @ destruction @ frontal sinus, left @ via natural or artificial opening endoscopic @ no device @ no qualifier