1. Comparison of cardiac and pyloric sphincters: a manometric study;Atkinson, M.; Edwards, D.A.W.; Honour, A.J.; Rowlands, E.N.;Lancet,1957
2. Intralumen pressures of the digestive tract, especially the pyloric region;Brody, D.A.; Werle, J.M.; Meschan, I.; Quigley, J.P.;Amer. J. Physiol,1940
3. The movements of the stomach studied by means of the roentgen rays;Cannon, W.B.;Ibid,1898
4. The pressure profile of the gastroesophageal sphincter in man: an improved method of detection;Code, C.F.; Schlegel, J.F.;Mayo Clin. Proc,1958
5. Resting and deglutition pressures in the pharyngo-esophageal region;Fyke, Jr., F.E.; Code, C.F.;Gastroenterology,1955