Araujo, Sergio Eduardo Alonso, Afonso Henrique da Silva e Sousa Jr, Fábio Guilherme Caserta Marysael de Campos, Angelita Habr-Gama, Rodrigo Blanco Dumarco, Pedro Paulo de Paris Caravatto, Sergio Carlos Nahas, José Hyppólito da Silva, Desidério Roberto Kiss, and Joaquim José Gama-Rodrigues. 2003. “ Conventional Approach X Laparoscopic Abdominoperineal Resection for Rectal Cancer Treatment After Neoadjuvant Chemoradiation: Results of a Prospective Randomized Trial ”. Revista Do Hospital Das Clínicas 58 (3): 133-40. https://doi.org/10.1590/S0041-87812003000300002.