3Hass PA, Fox TA. The pathogenesis of hemorrhoids. Dis Colon Rectum, 1984, 27: 442-450.
4Loder PB, Kamm MA, Nicholls R J, et al. Hemorrhoids: pathology pathophysiology and aetiology. Br J Surg, 1994, 81: 944-954.
5Weidner N, Semple JP, Welch WR, et al. Tumor angiogenesis and metastasis: correlates with metastasis in invasive brest carcinoma.N Engl J Med, 1991, 324: 1-8.
6Takahashi Y, Kitadai Y, Bucana CD, et al. Expression of vascular endothelial growth factor and its receptor, KDR, correlates with vascularity, matastasis, and proliferation of human coloncancer.Cancer Res, 1995, 55: 3964-3968.
7Terman BI, Stoletov KV. VEGF and tumor angiogenesis einstein quart. J Biol Med, 2001, 18: 59-66.
8Sohn TK, Moon EJ, Lee SK, et al. Angiodb: database of angionenesis and angiogenesis-related molecules. Nucleic Acids Research, 2002, 30:369-371.
9Hansen HH. Die bedeutung des musculus canalis fur die kontinenz und anorectale erkrankunger. Langenbecks. Arch Chir,1976, 341: 23-37.
10Haerian A, Adonogianaki Z, Mooney J, et al. Gingivalcreviculars tromelysin, collagenase and tissue in hibitor of metalloproteinases levels in healthy and diseased sites. J Clin Periodontol, 1995, 22:505 -509.
