Gardner & Johnson 2013a, p. 488-495 Gardner, Esther P; Johnson, Kenneth O (2013a). "22 - The Somatosensory System: Receptors and Central Pathway". ใน Kandel, Eric R; Schwartz, James H; และคณะ (บ.ก.). Principles of Neural Science (5th ed.). United State of America: McGraw-Hill. pp. 475-497. ISBN978-0-07-139011-8.
Sneddon, L. U.; Braithwaite, V. A.; Gentle, M. J. (2003). "Do fishes have nociceptors? Evidence for the evolution of a vertebrate sensory system". Proceedings of the Royal Society of London. Series B. Biological sciences. 270 (1520): 1115–1121. doi:10.1098/rspb.2003.2349.
Wittenburg, N.; Baumeister, R. (1999). "Thermal avoidance in Caenorhabditis elegans: an approach to the study of nociception". PNAS. 96 (18): 10477–10482. doi:10.1073/pnas.96.18.10477.
Tracey, J.; Daniel, W.; Wilson, R. I.; Laurent, G.; Benzer, S. (2003). "painless, a Drosophila gene essential for nociception". Cell. 113 (2): 261–273. doi:10.1016/S0092-8674(03)00272-1. PMID12705873.
Sherrington, C. S. (1906). The Integrative Action of the Nervous System. Oxford: Oxford University Press. doi:10.1037/13798-000.
Portenoy, Russell K.; Brennan, Michael J. (1994). "Chronic Pain Management". ใน Good, David C.; Couch, James R. (บ.ก.). Handbook of Neurorehabilitation. Informa Healthcare. ISBN0-8247-8822-2.