Recent advances in opioid pharmacology.
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Lambert
D000698:Analgesia / Q000639:trends; D000701:Analgesics, Opioid / Q000494:pharmacology*; D006801:Humans; D011957:Receptors, Opioid / Q000502:physiology; D012119:Respiration / Q000187:drug effects
D000701:Analgesics, Opioid; D011957:Receptors, Opioid