title: The opiate and antiopiate system: evidence for involvement in withdrawal responses.
mesh_terms: D000818:Animals; D006801:Humans; D009609:Nitrous Oxide / Q000009:adverse effects* / Q000494:pharmacology; D051381:Rats; D011957:Receptors, Opioid / Q000187:drug effects*; D013375:Substance Withdrawal Syndrome
chemical_list: D011957:Receptors, Opioid; D009609:Nitrous Oxide