Medical and Surgical @ Anatomical Regions, General @ Fragmentation @ Gastrointestinal Tract @ Via Natural or Artificial Opening Endoscopic @ No Device
medical and surgical @ anatomical regions, general @ fragmentation @ gastrointestinal tract @ via natural or artificial opening endoscopic @ no device
Medical and Surgical @ Anatomical Regions, General @ Fragmentation @ Gastrointestinal Tract @ Via Natural or Artificial Opening Endoscopic @ No Device
medical and surgical @ anatomical regions, general @ fragmentation @ gastrointestinal tract @ via natural or artificial opening endoscopic @ no device