A systematic review of combination step III opioid therapy in cancer pain: An EPCRC opioid guideline project

Opioid-induced hyperalgesia: a clinical challenge

(2010) L.A. Colvin et al.   BRITISH JOURNAL OF ANAESTHESIA

Morphine-Methadone Opioid Rotation in Cancer Patients: Analysis of Dose Ratio Predicting Factors

(2009) Miguel Angel Benítez-Rosario et al.   JOURNAL OF PAIN AND SYMPTOM MANAGEMENT

Differences between and combinations of opioids re-visited

(2008) Maree T Smith   Current Opinion in Anesthesiology

Sustained-release oral morphine versus transdermal fentanyl and oral methadone in cancer pain management

(2008) Sebastiano Mercadante et al.   EUROPEAN JOURNAL OF PAIN

Opioid Rotation from Oral Morphine to Oral Oxycodone in Cancer Patients with Intolerable Adverse Effects: An Open-Label Trial

(2008) M. Narabayashi et al.   JAPANESE JOURNAL OF CLINICAL ONCOLOGY

Agonist-Specific Regulation of  -Opioid Receptor Desensitization and Recovery from Desensitization

(2008) M. S. Virk et al.   MOLECULAR PHARMACOLOGY

Opioid-induced hyperalgesia: fact or fiction?

(2008) Marie Fallon et al.   PALLIATIVE MEDICINE