4Levine JD, Fields HL, Basbanm AI. Peptides and the primary afferent nociceptor [J]. J Neurosci, 1993, 13: 2273-2286.
5Duncan GH, Bushnell MC, Talbot JD, et al. Technical comment: localization of responses to pain in human cerebral cortex [J]. Science, 1992, 255:215-216.
6Coghill RC, Sang CN, Maisog JM, et al. Pain intensity processing within the human brain: a bilateral, distributed mechanism [J]. J Neurophysiol, 1999, 82: 1934-1943.
7Johansen JP, Fields HL, Manning BH. The affective component of pain in rodents: direct evidence for a contribution of the anterior cingulate cortex [J]. Proc Natl Acad Sci USA, 2001, 98:8077 -8082.
8Zhuo M, Gebhart GF. Biphasic modulation of spinal nociceptive transmission from the medullary raphe nuclei in the rat [J]. J Neurophysiol, 1997, 78: 746 -758.
9Calejesan AA, Kim SJ, Zhuo M. Descending facilitatory modulation of a behavioral nociceptive response by stimulation in the adult rat anterior cingulate cortex [J]. Eur J Pain, 2000, 4:83-96.
10Zhuo M, Gebhart GF. Modulation of noxiousand nonnoxious spinal mechanical transmission from the rostral medial medulla in the rat [J]. J Neurophysiol, 2002, 88 : 2928 - 2941.