Fallon M. Opioid rotation: does it have a role?Palliat Med1997; 11: 177–178.
2.
American Psychiatric Association. Diagnostic and statistical manual of mental disorders, 4th edition. Washington, DC: AMA, 1994.
3.
Breitbart W, Bruera E, Harvey C, Lynch M. Neuropsychiatric syndromes and psychological symptoms in patients with advanced cancer. J Pain Symptom Manage1995; 10: 131–141.
4.
Bruera E, Franco JF, Maltoni M, Watanbe S, Suarez-Almazor M. Changing pattern of agitated impaired mental status in patients with advanced cancer: association with cognitive monitoring, hydration, and opioid rotation. J Pain Symptom Manage1995; 10: 287–291.