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2. An investigation of the nervous control of defaecation;Denny-Brown, D.; Robertson, E.G.;Brain,1935
3. The relation of sensation in the anal canal to the functional anal sphincter: a possible factor in anal continence;Duthie, H.L.; Bennett, R.C.;Gut,1963
4. Electromyography of the sphincter ani externus in man;Floyd, W.F.; Walls, E.W.;J. Physiol,1953
5. The physiology of fecal continence;Gaston, E.A.;Surg. Gynec. Obstet,1948