Drainage of Left Ethmoid Sinus, Via Natural or Artificial Opening, Diagnostic
drainage of left ethmoid sinus, via natural or artificial opening, diagnostic
Medical and Surgical @ Ear, Nose, Sinus @ Drainage @ Ethmoid Sinus, Left @ Via Natural or Artificial Opening @ No Device @ Diagnostic
medical and surgical @ ear, nose, sinus @ drainage @ ethmoid sinus, left @ via natural or artificial opening @ no device @ diagnostic