Assertion: opium's morphine | /r/HasProperty | administered to post-addicts
Facets:
value: intravenously
type: MANNER
Source sentences:
text: Using a variety of subjective and objective measures, one study estimated the relative potency of heroin to morphine administered intravenously to post-addicts to be 1.80–2.66 mg of morphine sulfate to 1 mg of diamorphine hydrochloride (heroin).