title: Psychoactive Properties of Opioids and the Experience of Pain.
authors.affiliation: Worldwide Hospice Palliative Care Alliance, Fairfax Station, Virginia, USA. Electronic address: sconnor@thewhpca.org.
authors.forename: Stephen R
authors.initials: SR
authors.lastname: Connor
mesh_terms: D000701:Analgesics, Opioid / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D007669:Kidney Calculi / Q000503:physiopathology; D009020:Morphine / Q000009:adverse effects / Q000627:therapeutic use*; D010146:Pain / Q000188:drug therapy* / Q000209:etiology; D010147:Pain Measurement; D011619:Psychotropic Drugs / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D000701:Analgesics, Opioid; D011619:Psychotropic Drugs; D009020:Morphine