title: Morphine remains gold standard in breakthrough cancer pain.
authors.forename: Vicente
authors.initials: V
authors.lastname: Ruiz-Garcia
authors.forename: Eduardo
authors.initials: E
authors.lastname: Lopez-Briz
mesh_terms: D000701:Analgesics, Opioid / Q000627:therapeutic use*; D006801:Humans; D009020:Morphine / Q000627:therapeutic use*; D009369:Neoplasms; D010146:Pain / Q000517:prevention & control*
chemical_list: D000701:Analgesics, Opioid; D009020:Morphine