Dose dependent modification of codeine analgesia by d-amphetamine in albino rats.
D000768:Anesthesia, General; D000818:Animals; D003061:Codeine / Q000494:pharmacology*; D003913:Dextroamphetamine / Q000008:administration & dosage*; D004336:Drug Antagonism; D004357:Drug Synergism; D007274:Injections, Intraperitoneal; D008297:Male; D051381:Rats
D003913:Dextroamphetamine; D003061:Codeine