1. The internal anal sphincter response: menometric studies on its normal physiology, neural pathways and alteration in bowel disorders;Schuster, M.M.; Hendrix, T.R.; Al, Mendeloff;J Clin Invest,1963
2. Schuster MM. The riddle of the sphincter. Gastroenterology 1975; 69: 249-62.
3. Differences in anal function in patients with incontinence to solids and in patients with incontinence to liquids;Read NW, Bartolo DCC, Read MG;BrJ Surg,1984
4. External anal sphincter response to rectal distension: Leared response or reflex;Whitehead, N.E.; Orr, W.C.; Engel, B.T.; Schuster, M.M.;Psychophysiology,1982
5. Studies of the reflex activity of the external sphincter ani in spinal man;Melzak, J.; Porter, H.H.;Paraplagia,1964