title: Natural orifice surgery and single port access applied to colorectal surgery: the new era of intrarectal surgery?
authors: R
authors: R
authors: Zorron
mesh_terms: D015179:Colorectal Neoplasms / Q000601:surgery*; D013505:Digestive System Surgical Procedures / Q000379:methods; D006801:Humans; D057605:Natural Orifice Endoscopic Surgery