1. Sehrock RI.Small Intestinal Current Surgical Diagnosis and Treatment. Singapore: Appleton and Lange, 1991: 630.
2. River L, Silver Stein J, Tope JN. Collective review: Benign neoplasms of the small intestine. A critical comprehensive review with reports of 20 new cases.Int Abst Surg (Surg Gynecol Obstet) 1956; 102: 1–38.
3. Good CA, Tumours of the small intestine.Am J Roentgen 1963; 89: 685–705.
4. Steinberg LS, Shieber W. Villous adenomas of the small intestine.Surgery 1972; 71: 423–428.
5. Perzin KH, Bridge MF. Adenomas of the small intestine: A clinicopathologic review of 51 cases and a study of their relationship to carcinoma.Cancer 1981; 48: 799–819.