Two Exploratory Double-Blind Crossover Studies of the Treatment of Chronic Noncancer Pain: Efficacy and Safety of Concurrent Dosing of Morphine Plus Oxycodone vs Morphine Alone
Patricia Richards, MD, PhD et al.
Workplace and Nonworkplace Productivity in Chronic Noncancer Pain Patients: The Opioid Utilization Study (OPUS)
Steven Stanos, DO et al.
NGX-4010, a High-Concentration Capsaicin Patch, Administered Alone or in Combination With Systemic Neuropathic Pain Medications, Reduces Pain in Patients With Postherpetic Neuralgia
Gordon A. Irving, et al.