@article{articlea5257940,
title   = {Prognostic impact of the lymph node metastatic ratio on 5-year survival of patients with rectal cancer not submitted to preoperative chemoradiation},
author = {Jacomo, Alfredo Luiz and Martinez, Carlos Augusto Real and Serra, Marcia Milena Pivatto and Akamatsu, Flávia Emi and Pereira, José Aires and Andrade, Mauro Figueiredo Carvalho de and Margarido, Nelson Fontana},
year = {2011},
doi = {10.1590/S2237-93632011000400001},
journal   = {Journal of Coloproctology}
}