1. Pain mechanisms: a new theory;Melzack;Science,1965
2. Peripheral pain mechanisms and nociceptor plasticity;Byers,2001
3. Interoception: the sense of the physiological condition of the body;Craig;Curr Opin Neurobiol,2003
4. Inflammatory mediators of pain;Dray;Br J Anaesth,1995
5. Central nervous system mechanisms of pain modulation;Fields,1999