Medical and Surgical @ Gastrointestinal System @ Removal @ Lower Intestinal Tract @ Open @ Nonautologous Tissue Substitute
medical and surgical @ gastrointestinal system @ removal @ lower intestinal tract @ open @ nonautologous tissue substitute
Medical and Surgical @ Gastrointestinal System @ Removal @ Lower Intestinal Tract @ Open @ Nonautologous Tissue Substitute
medical and surgical @ gastrointestinal system @ removal @ lower intestinal tract @ open @ nonautologous tissue substitute