Assertion: ether's effect | /r/HasProperty | sustained
Facets:
value: for 40–60 minutes
type: TEMPORAL
Source sentences:
text: While the onset of these effects is slow, the effects are sustained for approximately 60 minutes after their peak is attained.
text: Physiological and psychotropic effects from nasally insufflated cocaine are sustained for approximately 40–60 minutes after the peak effects are attained.