Levorphanol inhibition of Ca++ binding to synaptic membranes in vitro.
D000818:Animals; D001665:Binding Sites; D002118:Calcium / Q000378:metabolism*; D003917:Dextrorphan / Q000494:pharmacology; D004305:Dose-Response Relationship, Drug; D007700:Kinetics; D007981:Levorphanol / Q000494:pharmacology*; D008297:Male; D009270:Naloxone / Q000494:pharmacology; D051381:Rats; D013570:Synaptic Membranes / Q000187:drug effects / Q000378:metabolism*
D003917:Dextrorphan; D007981:Levorphanol; D009270:Naloxone; D002118:Calcium