4Morinaga K, Hasuda K, Ikeda T. A novel therapy for internal hemorrhoids: ligation of the hemorrhoidal artery with a newly devised instrument (Moricorn) in oniunetion with a Doppler flowmeter[J]. Am J Gastroenterol, 1995,90 : 610-613.
5Thomson. The nature of haemorrhoids[J]. Br J Surg, 1975,62 : 542-552.
6Marino WM . Anorectal surgery hemorrhoids[J]. Dis Colon Rectum,1980,23(4) :211-222.
7Sun WM, Read NW, Shorthouse AJ, et al. Hypertensive anal cushions as a cause of the high anal canal pressures in patients with haemorrhoids[J]. Br J Surg, 1990,77:458-462.
8Sun WM, Peck RJ, Shorthouse AJ, Read NW, et al. Haemorrhoids are associated not with hypertrophy of the internal anal sphincter, hut with hypertension of the anal eushions[J]. Br J Surg, 1992,79 : 592-594.
3Margaret M,Madeleine Lisa G,Johnson.21.Risk of anal neoplasia and cancer associated with glucocorticoid use and immune-related conditions.[J].Sexual health,2013,10(6):580.
