1. The oesophagogastric sphincter in hiatus hernia;Atkinson;Lancet,1957
2. Does hiatus hernia affect competence of the gastro-oesophageal sphincter;Cohen;New England Journal of Medicine,1971
3. The probability of symptoms or of radiographic evidence of reflux predicted by lower oesophageal sphincter pressure;Dilawari,1974
4. The mechanism at the cardia;Edwards;British Journal of Radiology,1961
5. Diaphragm and hiatus hernia;Edwards,1969