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Fishman, MD, R. L.; Kistler, DO, C. J.; Ellerbusch, MD, M. T.; Aparicio, MD, R. T.; Swami, MD, S. S.; Shirley, DO, M. E.; Jain, MD, A. K.; Fortier, MSc, L.; Robertson, BScN, S.; Bouchard, MD, PhD, S. Efficacy and Safety of 12 Weeks of Osteoarthritic Pain Therapy With Once-Daily Tramadol (Tramadol Contramid® OAD). J of Opioid Management 2007, 3, 273-280.