2Matsumoto Y, Yanai H, Tokiyama H, et al. Endoscopic ultrasonography for diagnosis of submucosal invasion in early gastric cancer. J Gastroenterol, 2000, 35: 326-331.
3Shimizu S, Tada M, Kawai K. Endoscopic ultrasonography for early gastric cancer. Endoscopy, 1994, 26: 767-768.
4Willis S, Truong S, Gribnitz S, et al. Endoscopic ultrasonography in the preoperative staging of gastric cancer: accuracy and impact on surgical therapy. Surg Endosc, 2000, 14: 951-954.
5Kunisaki C, Shimada H, Nwnura M, et al. Appropriate lymph node dissection for early gastric cancer based on lymph node metastases.Surgery, 2001, 129: 153-157.
6Shimada S, Yagi Y, Shiomori K, et al. Characterization of early gastric cancer and proposal of the optimal therapeutic strategy. Surgery, 2001,129: 714-719.
7Yanai H, Noguchi T, Mizumachi S, et al. A blind comparison of the effectiveness of endoscopic ultrasonography and endoscopy in staging early gastric cancer. Gut, 1999, 44: 361-365.
8Akahoshi K, Chijiiwa Y, Hamada S, et al. Ptetreatment staging of endoscopically early gastric cancer with a 15 MHz ultrasound catheter probe. Gastrointest Endosc, 1998, 48: 470-476.
9Sano T, Kobori O, Muto T, et al. Lymph node metastasis from early gastric cancer: endoscopic resection of tumor. Br J Surg, 1992, 79:241-244.
10Akahoshi K, Misawa T, Fujishima H, et al. Regional lymph node metastasis in gastric cancer: evaluation with endoscopic US. Radiology,1992, 182: 559-564.
