Sagar, D. R., Staniaszek, L. E., Okine, B. N., Woodhams, S., Norris, L. M., Pearson, R. G., Garle, M. J., Alexander, S. P., Bennett, A. J., Barrett, D. A., Kendall, D. A., Scammell, B. E., & Chapman, V. (2010). Tonic modulation of spinal hyperexcitability by the endocannabinoid receptor system in a rat model of osteoarthritis pain. Arthritis and Rheumatism, 62(12), https://doi.org/10.1002/art.27698