MATOS, D. Results of local excision in rectal cancer: is there good evidence?. São Paulo Medical Journal, [S. l.], v. 115, n. 5, p. 1532, 1997. Disponível em: https://periodicosapm.emnuvens.com.br/spmj/article/view/2151. Acesso em: 16 oct. 2025.