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1. Opioid analgesics in anesthesia: With special reference to their use in cardiovascular anesthesia. Anesthesiology 61(6), 731-755 (1984).
2. The neurotoxicity of drugs given intrathecally (spinal). Anesth. Analg. 88(4), 797-809 (1999).
3. A systematic review of the use of opioid medication for those with moderate to severe cancer pain and renal impirment: A European Palliative Care Research Collaborative opioid guidelines project. Palliat. Med. 25(5), 525-552 (2011).
4. Identification of human liver cytochrome P-