Assertion: local anesthetic's epinephrine | /r/HasProperty | 5 µg/ml
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Source sentences:
text: Vasoconstrictors, usually epinephrine (5 µg/mL or 1:200,000), are frequently included in local anesthetic solutions to decrease the rate of vascular absorption, thereby allowing more anesthetic molecules to reach the nerve membrane and so improve the depth and duration of anesthesia.