| levorphanol tartrate |
[USP] a synthetic opioid analgesic with properties and actions similar to those of morphine; used as an analgesic, for moderate to severe pain, and as an adjunct to anesthesia, administered orally, subcutaneously, intramuscularly, or intravenously.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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