these results suggest that : 1 ) gastric emptying time may be prolonged in some patients with gerd , 2 ) basal but not food-stimulated gastrin concentrations may be abnormal in gerd , 3 ) reflux scans have limited use in the investigation of gerd , and 4 ) ranitidine therapy is associated with an increase in food-stimulated gastrin concentrations .
C0017168
gerd
C0034665
ranitidine