Common misunderstandings about the use of morphine for chronic pain in advanced cancer.
D000284:Administration, Oral; D004361:Drug Tolerance; D006801:Humans; D009020:Morphine / Q000008:administration & dosage* / Q000009:adverse effects; D009021:Morphine Dependence; D009369:Neoplasms / Q000503:physiopathology*; D010148:Intractable Pain / Q000188:drug therapy*; D012119:Respiration / Q000187:drug effects
D009020:Morphine