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. Effect of autonomic drugs on gastroesophageal reflux;Bettarello, A.; Tuttle, S.G.; Grossman, M.I.;Gastroenterology,1960
3. The acid closure of the cardia end of the end ofthe esophagus in mammals;Cannon, W.B.;Amer. J. Physiol,1908
4. Studies on the visceral sensory nervous systems. XIII. The innervation of the cardia and the lower oesophagus;Carlson, A.J.; Boyd, T.E.; Pearcy, J.F.;Ibid,1922
5. Esophageal motility after vagotomy, phrenicotomy, myotomy, and myomectomy in dogs;Carveth, S.W.; Schlegel, J.F.; Code, C.F.; Ellis, Jr, F.H.;Surg. Gynec. Obstet,1962