Additional radical surgery after colonoscopic snare polypectomy for T1 colorectal cancer: use of the minilaparotomy approach. - Nakagoe,T.; Sawai,T.; Tsuji,T.; Hidaka,S.; Tanaka,K.; Shibasaki,S.; Nanashima,A.; Yamaguchi,H.; Yasutake,T. (Int Surg, 2004)