title: Morphine as the first drug for the treatment of cancer pain.
authors.forename: Beatriz C
authors.initials: BC
authors.lastname: Nunes
authors.forename: João B S
authors.initials: JB
authors.lastname: Garcia
authors.forename: Rioko K
authors.initials: RK
authors.lastname: Sakata
mesh_terms: D000701:Analgesics, Opioid / Q000009:adverse effects / Q000627:therapeutic use; D006801:Humans; D009020:Morphine / Q000009:adverse effects / Q000627:therapeutic use*; D009369:Neoplasms / Q000150:complications / Q000188:drug therapy*; D010146:Pain / Q000188:drug therapy* / Q000209:etiology; D059408:Pain Management / Q000379:methods; D010147:Pain Measurement / Q000379:methods; D016032:Randomized Controlled Trials as Topic
chemical_list: D000701:Analgesics, Opioid; D009020:Morphine