1. Manometric observations indicate that the sphincter may be;thorne, Frobese; Nemir,1956
2. A valve mechanism to prevent gastroesophageal reflux and esophagitis;Adler, R.H.; Firme, C.N.; Lanigan, J.M.,1958
3. completely disrupted yet reflux does not necessarily ensue;Surgery; and it seems probable that disturbance of some other mechanism is necessary for reflux to occur. A proportion of patients develop hiatus hernia after cardiomyotomy but reflux may,1959
4. Peptic ulcer of the oesophagus;Allison, P.R.;Thorax,1948
5. Function and dysfunction at the cardia;Johnstone, A.S.;Bull. Johns Hopkins Hosp; The oesophagus lined with gastric occur with the cardia in its normal position and with the diaphragm apparently functioning normally. In mucous membrane,1953