Medical and Surgical @ Gastrointestinal System @ Revision @ Lower Intestinal Tract @ Via Natural or Artificial Opening Endoscopic @ Nonautologous Tissue Substitute
medical and surgical @ gastrointestinal system @ revision @ lower intestinal tract @ via natural or artificial opening endoscopic @ nonautologous tissue substitute
Medical and Surgical @ Gastrointestinal System @ Revision @ Lower Intestinal Tract @ Via Natural or Artificial Opening Endoscopic @ Nonautologous Tissue Substitute
medical and surgical @ gastrointestinal system @ revision @ lower intestinal tract @ via natural or artificial opening endoscopic @ nonautologous tissue substitute