title: Comment: opioid-induced muscle activity.
authors.forename: J L
authors.initials: JL
authors.lastname: Pereira
authors.forename: E D
authors.initials: ED
authors.lastname: Bruera
mesh_terms: D000701:Analgesics, Opioid / Q000009:adverse effects*; D003072:Cognition Disorders / Q000139:chemically induced; D003693:Delirium / Q000139:chemically induced / Q000209:etiology*; D006801:Humans; D009020:Morphine / Q000009:adverse effects*; D009207:Myoclonus / Q000139:chemically induced*; D009369:Neoplasms / Q000150:complications / Q000188:drug therapy; D010146:Pain / Q000188:drug therapy* / Q000209:etiology; D011569:Psychiatric Status Rating Scales
chemical_list: D000701:Analgesics, Opioid; D009020:Morphine