Assertion: local anesthetic's epinephrine | /r/AtLocation | local anesthetic injections
Facets:
value: in order to prolong the duration of action
type: PURPOSE
value: sometimes
type: TEMPORAL
Source sentences:
text: Epinephrine usually reduces the rate of absorption and plasma concentration of local anesthetics and is sometimes added to local anesthetic injections in order to prolong the duration of action.