Conventional approach x laparoscopic abdominoperineal resection for rectal cancer treatment after neoadjuvant chemoradiation: results of a prospective randomized trial - Araujo, Sergio Eduardo Alonso; Sousa Junior, Afonso Henrique da Silva e; Campos, Guilherme Caserta Marysael de; Habr-Gama, Angelita; Dumarco, Rodrigo Blanco; Caravatto, Pedro Paulo de Paris; Nahas, Sérgio Carlos; Silva, José Hyppólito da; Kiss, Desidério Roberto; Gama-Rodrigues, Joaquim José (Revista do Hospital das Clínicas da Faculdade de Medicina de São Paulo, 2003)