Title: Parallel "pain" pathways arise from subpopulations of primary afferent nociceptor.

Authors: Joao M Braz, Mohammed A Nassar, John N Wood, Allan I Basbaum

Journal, date & volume: Neuron, 2005 Sep 15 , 47, 787-93

PubMed link: http://www.ncbi.nlm.nih.gov/pubmed/16157274

Abstract