Medline ® Abstract for Reference 49
of 'Pain assessment and management in the last weeks of life'
Opioid rotation in the management of refractory cancer pain.
Indelicato RA, Portenoy RK
J Clin Oncol. 2002;20(1):348.
Department of Pain Medicine and Palliative Care, Beth Israel Medical Center, First Ave. at 16th Street, New York, NY 10003, USA.