Opioid receptors in pain control.
D000701:Analgesics, Opioid / Q000627:therapeutic use*; D004351:Drug Resistance / Q000235:genetics*; D006801:Humans; D009369:Neoplasms / Q000150:complications*; D010146:Pain / Q000209:etiology / Q000517:prevention & control*; D012326:RNA Splicing; D017450:Receptors, Opioid, mu / Q000187:drug effects / Q000235:genetics / Q000502:physiology*
D000701:Analgesics, Opioid; D017450:Receptors, Opioid, mu