1. Comparison of cardiac and pyloric sphincters;Atkinson, M.; Edwards, D.A.W.; Honour, A.J.; Rowlands, E.N.;Lancet,1957
2. Le reflux gastro-oesophagien: etude pH-graphique et 6lectromanographique. Semaine des Hopitaux de;Besancon, F.; Baujat, J.P.; Debray, C.;Paris,1962
3. A comparison of clinical measurements of gastroesophageal influx;Benz, L.J.; Hootkin, L.A.; Margulies, S.; Donner, M.W.; Cauthorne, R.T.; Hendrix, T.R.;Gastroenterology,1972
4. Gastro-oesophageal acid reflux and sphincter pressure in normal human subjects;Boesby, S.;Scandinavian Journal of Gastroenterology,1975
5. Does hiatus hernia affect competence of the gastroesophageal sphincter?;Cohen, S.; Harris, L.D.;New England Journal of Medicine,1971