Assertion: narcotic's effect | /r/HasProperty | reached
Facets:
value: after about 20 minutes
type: TEMPORAL
Source sentences:
text: To prevent this, small doses every few minutes can be given until the desired effect is reached.
text: Maximum effect is reached after about 20 minutes when given intravenously and after 60 minutes when given by mouth, while duration of effect is 3–7 hours.