Insertion of Other Device into Lower Intestinal Tract, Via Natural or Artificial Opening Endoscopic
insertion of other device into lower intestinal tract, via natural or artificial opening endoscopic
Medical and Surgical @ Gastrointestinal System @ Insertion @ Lower Intestinal Tract @ Via Natural or Artificial Opening Endoscopic @ Other Device @ No Qualifier
medical and surgical @ gastrointestinal system @ insertion @ lower intestinal tract @ via natural or artificial opening endoscopic @ other device @ no qualifier