Chen, L. X., Mao, J. J., Fernandes, S., Galantino, M. L., Guo, W., Lariccia, P., Teal, V. L., Bowman, M. A., Schumacher, H. R., Farrar, J. T. Integrating acupuncture with exercise-based physical therapy for knee osteoarthritis: a randomized controlled trial. JCR: Journal of Clinical Rheumatology 2013; 6: 308-16