References
- Bartolo D CC, Jarratt J A, Read N W. The use of conventional electromyography to assess external sphincter neuropathy in man. J Neurol Neurosurg Psych 1983; 46: 1115–8
- Law B J, Bartram C I. Anal endosonography: technique and normal anatomy. Gastrointest Radiol 1989; 14: 349–53
- Wild J J, Reid J M. Diagnostic use of ultrasound. Br J Phys Med 1956; 19: 248–57
- Rifkind M D, Wechsler R J. A comparison of computer tomography and endorectal ultrasound in staging rectal cancer. Int J Colored Dis 1986; 1: 219–23
- Beynon J. An evaluation of the role of rectal endosonography in rectal cancer. Ann R C Surg Engl 1989; 71: 131–9
- Knudsen U B, Laurberg S, Danielsen C C. Age-related changes in the striated anal sphincter in female rats. Scand J Gastroenterol 1991; 26: 347–52
- Knudsen U B, Laurberg S, Danielsen C C. Influence of bilateral oophorectomy and estrogen substitution on the striated anal sphincter in adult female rats. Scand J Gastroenterol 1991; 26: 731–6
- Burnett S JD, Bartram C I. Endosonographic variations in the normal internal anal sphincter. Int J Colored Dis 1991; 6: 2–4
- Oh C, Kark A E. Anatomy of the external anal sphincter. Br J Surg 1972; 59: 717–23
- Papachrysostomou M, Pye S D, Wild S R, Smith A N. Anal endosonography-which endoprobe?. Br J Radiol 1991; 65: 715–7
- Laurberg S, Swash M. Effects of ageing of the anorectal sphincters and their innervation. Dis Colon Rectum 1989; 32: 737–42
- Walters D AK, Smith A N. Strength of the colon wall in diverticular disease. Br J Surg 1990; 77: 257–9
- Torsoli A, Inoue M, Manousos O, Smith A, Van Steensel C J. Diverticular disease of the colon: data relevant to management. Gastroenterol Int 1991; 4: 3–20
- Sun W M, Read N W. Anorectal function in normal human subjects: effect of gender. Int J Colored Dis 1989; 4: 188–96
- Swash M. Histopathology of the pelvic floor muscles. Coloproctology and the pelvic floor-pathophysiology and management, M M Henry, M Swash. The Pharmaceutical Press, London Butterworths 1985; 129–50