1. Ingelfinger FJ: Esophageal motility.Physiol Rev 38:533–584, 1958
2. Code CF, Schlegel JF: Motor action of the esophagus and its sphincters. In Code CF (ed):Handbook of Physiology. Alimentary Canal, Sect. 6, Vol. 4. Washington, DC: American Physiological Society, 1968, pp 1821–1839
3. Doty RW: Neural organization of deglutition. In Code CF (ed):Handbook of Physiology. Alimentary Canal. Sect. 6, Vol. 4. Washington, DC: American Physiological Society, 1968, pp 1861–1902
4. Weisbrodt NW: Neuromuscular organization of esophageal and pharyngeal motility.Arch Intern Med 136:524–531, 1976
5. Diamant NE, El-Sharkawy TY: Neural control of esophageal peristalsis. A conceptual analysis.Gastroenterology 72:546–556, 1977