Multiple opiate receptors in peripheral tissue preparations.
D000818:Animals; D004361:Drug Tolerance; D006801:Humans; D009292:Narcotic Antagonists / Q000494:pharmacology; D009294:Narcotics / Q000494:pharmacology; D011957:Receptors, Opioid / Q000502:physiology*
D009292:Narcotic Antagonists; D009294:Narcotics; D011957:Receptors, Opioid