Assertion: barbiturate's duration | /r/HasProperty | 3–4 hours
Facets:
value: with im and iv doses
type: OTHER
value: generally
type: DEGREE
Source sentences:
text: The duration of analgesia varies depending on the pain model as well as the route of administration, but is generally 3–4 hours with IM and IV doses as defined by the time 50% of patients required remedication.
text: The duration of action of Stadol Injection was 3–4 hours when defined as the time necessary for pain intensity to return to pretreatment level or the time to retreatment.