Assertion: antacid | /r/CapableOf | maintain this ph
Facets:
value: for an adequate length of time
type: TEMPORAL
Source sentences:
text: Many antacids exist which effectively raise the pH of I the stomach to the. desired values and maintain this pH for an adequate length of time.
text: Many antacids exist which effectively raise the pH of the stomach to the desired values and maintain this pH for an adequate length of time.