Assertion: barbiturate | /r/HasProperty | designated as controlled substance
Facets:
value: in 1970
type: TEMPORAL
value: in the united states
type: LOCATION
Source sentences:
text: This led to a high incidence of addiction, and in 1970 barbiturates were designated as a controlled substance in the United States.
text: Barbiturate use may lead to tolerance, dependence, and addiction; in 1970, several barbiturates were designated as controlled substances in the United States.