Drake, R. A., Leith, J., Almahasneh, F., Martindale, J., Wilson, A., Lumb, B., & Donaldson, L. F. (2016). Periaqueductal grey EP3 receptors facilitate spinal nociception in arthritic secondary hypersensitivity. Journal of Neuroscience, 36(35), https://doi.org/10.1523/JNEUROSCI.4393-15.2016