Extirpation of Matter from Respiratory Tract, Via Natural or Artificial Opening
extirpation of matter from respiratory tract, via natural or artificial opening
Medical and Surgical @ Anatomical Regions, General @ Extirpation @ Respiratory Tract @ Via Natural or Artificial Opening @ No Device @ No Qualifier
medical and surgical @ anatomical regions, general @ extirpation @ respiratory tract @ via natural or artificial opening @ no device @ no qualifier