@article{article5c8156b8, title = {Operative versus nonoperative treatment for stage 0 distal rectal cancer following chemoradiation therapy}, author = {Habr-Gama, Angelita and Perez, Rodrigo Oliva and Nadalin, Wladimir and Sabbaga, Jorge and Ribeiro Junior, Ulysses and Sousa Junior, Afonso Henrique Silva e and Campos, Fábio Guilherme and Kiss, Desidério Roberto and Gama-Rodrigues, Joaquim}, year = {2004}, journal = {Annals of Surgery} }