Inspection of Gastrointestinal Tract, Via Natural or Artificial Opening Endoscopic Approach
inspection of gastrointestinal tract, via natural or artificial opening endoscopic approach
Medical and Surgical @ Anatomical Regions, General @ Inspection @ Gastrointestinal Tract @ Via Natural or Artificial Opening Endoscopic @ No Device @ No Qualifier
medical and surgical @ anatomical regions, general @ inspection @ gastrointestinal tract @ via natural or artificial opening endoscopic @ no device @ no qualifier