1. Simultaneous manometric recording of internal and external anal sphincteric reflexes;Schuster;Bull. Hopkins Hosp.,1965
2. The internal anal sphincter response: Manometric studies on its normal physiology, neural pathways, and alteration in bowel disorders;Schuster;J. Clin. Invest.,1963
3. Reflex activity of the external anal sphincter of cat;Bishop;J. Physiol. (London),1959
4. A physiologic study of the pelvic floor and rectal prolapse;Porter;Ann. Roy. Coll. Surg. Eng.,1962
5. The functional importance of the internal anal sphincter;Bennett;Brit. J. Surg.,1964