Assertion: copper sulfate | /r/ObjectUse | used in the past
Facets:
value: as an emetic
type: MANNER
Source sentences:
text: Copper sulfate was used in the past as an emetic.
text: Copper sulfate was used in the past as an emetic, (An agent that induces vomiting).
text: Copper sulfate was used in the past as an emetic.