Assertion: antacid's calcium carbonate | /r/ObjectUse | used in combination
Facets:
value: in antacid compositions
type: OTHER
value: often
type: TEMPORAL
Source sentences:
text: To counteract its constipative effect, calcium carbonate is often used in combination with magnesium salts such as magnesium carbonate, magnesium hydroxide, and magnesium oxide, in antacid compositions (e.g., ROLAIDS, MYLANTA, MEDACID).