title: [Pain-relieving agents. 2].
mesh_terms: D000700:Analgesics / Q000627:therapeutic use*; D000701:Analgesics, Opioid / Q000009:adverse effects / Q000627:therapeutic use*; D004361:Drug Tolerance; D006801:Humans; D008614:Meperidine; D008691:Methadone; D009020:Morphine; D009022:Morphine Derivatives; D019966:Substance-Related Disorders
chemical_list: D000700:Analgesics; D000701:Analgesics, Opioid; D009022:Morphine Derivatives; D009020:Morphine; D008614:Meperidine; D008691:Methadone
vernacular_title: Smertestillende midler. 2.