Medical and Surgical @ Gastrointestinal System @ Bypass @ Ileum @ Via Natural or Artificial Opening Endoscopic @ Nonautologous Tissue Substitute
medical and surgical @ gastrointestinal system @ bypass @ ileum @ via natural or artificial opening endoscopic @ nonautologous tissue substitute
Medical and Surgical @ Gastrointestinal System @ Bypass @ Ileum @ Via Natural or Artificial Opening Endoscopic @ Nonautologous Tissue Substitute
medical and surgical @ gastrointestinal system @ bypass @ ileum @ via natural or artificial opening endoscopic @ nonautologous tissue substitute