the percentage of patients with overnight fasting gastric volume over 25 ml and a ph of less than 2-5 was disturbingly high in all groups : controls 38-5 % , oesophagitis/gastritis 51-2 % , gastric ulcers 40-0 % , duodenal ulcers 73-3 % .
C0038351
gastric
C0038358
gastric ulcers