typical angina pectoris , coincident with abnormal oesophageal motility , was precipitated in a subgroup of patients who had been shown to have oesophageal manometric abnormalities and gastro-oesophageal reflux disease by the infusion of hydrochloric acid into the oesophagus ;
C0017168
gastro-oesophageal reflux disease
C0014876
oesophagus