[Results of the application of the Protocol for Improved Recovery in Surgery (PREMEC) in the surgical treatment of colorectal cancer at the Edgardo Rebagliati National Hospital â€" EsSalud]. - Ortega Checa D; Vojvodic Hernandez IM; Pinares Carrillo D (Revista de gastroenterologia del Peru : organo oficial de la Sociedad de Gastroenterologia del Peru, 2020)