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2. Criteria for Evaluation the need for multiple resection after imperfect resection during endoscopic therapy for early gastric cancer;Tada;Stomach Intestine,1998
3. Treatment for post EMR remnant lesions-limitation of endoscopic re-treatment;Nakamura;Stomach Intestine,2002
4. Macroscopic findings and diagnosis of the depth of invasion of recurrent gastric cancer after EMR;Chonan;Stomach Intestine,1998
5. Several factors for safe ERHSE in the treatment of early gastric cancers;Hirao;Digestive Endoscopy,1996