1. The course of ascending fibers in the spinal cord of the cat essential to the recognition of painful stimuli;Kennard;J Comp Neurol,1954
2. Peripheral and spinal mechanisms of nociception;Besson;Physiol Rev,1987
3. Pain mechanisms: A new theory;Melzack;Science,1965
4. Chronic post-surgical pain;Searle;Br J Anaesth CEPD Reviews,2010
5. Neuropathic changes in equine laminitis pain;Jones;Pain,2007