[Opioid rotation: a therapeutic choice in the management of refractory cancer pain]

MeSH terms

• Adult
• Age Factors
• Aged
• Child
• Dose-Response Relationship, Drug
• Drug Administration Schedule
• Humans
• Methadone / administration & dosage
• Methadone / therapeutic use
• Narcotics / administration & dosage*
• Narcotics / pharmacokinetics
• Narcotics / therapeutic use
• Neoplasms / physiopathology*
• Opioid-Related Disorders / etiology
• Opioid-Related Disorders / prevention & control
• Pain, Intractable / drug therapy*
• Pain, Intractable / etiology
• Palliative Care / methods
• Practice Guidelines as Topic