of the 52 patients with normal coronary angiograms , 19 ( 37 % ) had gastro-oesophageal reflux disease and abnormal oesophageal motility , 5 ( 10 % ) had gastro-oesophageal reflux disease alone , and 7 ( 13 % ) had oesophageal motility disorder alone .
C0017168
gastro-oesophageal reflux disease
C0014858
oesophageal motility disorder