Antagonism by dopa of morphine analgesia. A hypothesis for morphine tolerance.
D000818:Animals; D001921:Brain / Q000502:physiology; D001923:Brain Chemistry; D004295:Dihydroxyphenylalanine / Q000494:pharmacology*; D004298:Dopamine / Q000032:analysis; D004338:Drug Combinations; D004347:Drug Interactions; D004361:Drug Tolerance; D008297:Male; D008750:Methyldopa / Q000494:pharmacology; D051379:Mice; D008815:Mice, Inbred Strains; D009020:Morphine / Q000037:antagonists & inhibitors* / Q000494:pharmacology; D009638:Norepinephrine / Q000032:analysis; D012701:Serotonin / Q000502:physiology; D013997:Time Factors
D004338:Drug Combinations; D012701:Serotonin; D008750:Methyldopa; D004295:Dihydroxyphenylalanine; D009020:Morphine; D004298:Dopamine; D009638:Norepinephrine