TY - JOUR TI - Preoperative chemoradiation therapy for low rectal cancer: impact on downstaging and sphincter-saving operations PY - 2004 AU - Habr-Gama, Angelita AU - Perez, Rodrigo Oliva AU - Kiss, Desidério Roberto AU - Rawet, Viviane AU - Scavanini, Arceu AU - Santinho, Pedro Marcos AU - Nadalin, Wladimir T2 - Hepato-Gastroenterology PP - Athenas VL - 51 SP - 1703-1707 ER -