(Q48667587)
Statements
1 reference
Naloxone blocks the analgesic action of levorphanol but not of dextrorphan in the leopard frog (English)
1 reference
Stevens CW
1 reference
Pezalla PD
1 reference
1 May 1984
1 reference
1 reference
301
1 reference
1
1 reference
171-174
1 reference