1. 1) Kelsey JR Jr: Gastroenterology(Bockus, H. L. ), Chapter68, Small bowel tumors, Third ed. , 1976, W. B. Saunders Co. , Philadelphia & London, p459-472
2. 3) Mayo CW, Pagtalunan RJG, Brown DJ: Lipoma of the alimentary tract. Surgery 53:598-603, 1963
3. 5) Golden T, Shout AP: Smooth muscle tumors of the gastrointestinal tract and retroperitoneal tissues, Surg Gynecol Obst 73:784-810, 1941
4. 6) MacKenzie DN, McDonald JR, Waugh JM: Leiomyoma and leiomyosarcoma of the colon. Ann Surg 139:67-75, 1954
5. 7) Geboes K, Wolf-Peeters CD, Rutgeerts P, et al: Submucosal tumor of the colon. Am Soc Colon Rectal Surgeons 21:420-425, 1978