Portenoy Russell
Department of Pain Medicine and Palliative Care, Beth Israel Medical Center, First Avenue at 16th Street, New York, NY 10003, USA Department of Neurology and Anesthesiology, Albert Einstein College of Medicine, Bronx, NY, USA MJHS Hospice and Palliative Care, NY, USA.
Pain. 2011 Nov;152(11):2455-2456. doi: 10.1016/j.pain.2011.08.008. Epub 2011 Aug 24.