Medical and Surgical @ Gastrointestinal System @ Bypass @ Sigmoid Colon @ Open @ Nonautologous Tissue Substitute
medical and surgical @ gastrointestinal system @ bypass @ sigmoid colon @ open @ nonautologous tissue substitute
Medical and Surgical @ Gastrointestinal System @ Bypass @ Sigmoid Colon @ Open @ Nonautologous Tissue Substitute
medical and surgical @ gastrointestinal system @ bypass @ sigmoid colon @ open @ nonautologous tissue substitute