Medical and Surgical @ Gastrointestinal System @ Replacement @ Esophagus @ Via Natural or Artificial Opening Endoscopic @ Nonautologous Tissue Substitute
medical and surgical @ gastrointestinal system @ replacement @ esophagus @ via natural or artificial opening endoscopic @ nonautologous tissue substitute
Medical and Surgical @ Gastrointestinal System @ Replacement @ Esophagus @ Via Natural or Artificial Opening Endoscopic @ Nonautologous Tissue Substitute
medical and surgical @ gastrointestinal system @ replacement @ esophagus @ via natural or artificial opening endoscopic @ nonautologous tissue substitute