EFFECT OF HEXOCYCLIUM METHYLSULFATE ON INTRAGASTRIC PH IN  PATIENTS WITH DUODENAL ULCER.
D004381:Duodenal Ulcer; D005745:Gastric Acidity Determination; D006801:Humans; D006863:Hydrogen-Ion Concentration; D010276:Parasympatholytics; D010879:Piperazines
D010276:Parasympatholytics; D010879:Piperazines; C015922:hexocyclium
DUODENAL ULCER; GASTRIC ACIDITY DETERMINATION; HYDROGEN-ION CONCENTRATION; PARASYMPATHOLYTICS