1. Nonepithelial tumors of the stomach. Gastric leiornatous tumors: a clinical review;Anderson;J Natl Med Assoc,1983
2. Endoscopic gastroduodenal polypectomy;Ghazi;Ann Surg,1984
3. A case of leiomyosarcoma, which was gastric perforation after endoscopic polypectomy;Miyake;Iryou (Japan),1984
4. Aspiration biopsy of the stomach, efficient procedure for evaluating submucosal tumor;Soeda;Stomach Intestine,1976
5. Histological diagnosis of gastric submucosal tumor with protruding lesion simulating submucosal tumor with particular reference to newly devised needle biopsy;Shimamoto;Prog Dig Endosc,1980