title: Opioids and the immune system.
authors.forename: N R
authors.initials: NR
authors.lastname: Webster
mesh_terms: D000701:Analgesics, Opioid / Q000494:pharmacology; D000818:Animals; D006801:Humans; D007107:Immune System / Q000187:drug effects / Q000502:physiology*; D018847:Opioid Peptides / Q000502:physiology*
chemical_list: D000701:Analgesics, Opioid; D018847:Opioid Peptides