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^Melzack, R; Casey, KL (1968). "Sensory, motivational and central control determinants of chronic pain: A new conceptual model". In Kenshalo, DR. The Skin Senses. Springfield, Illinois: Thomas. p. 432.
Eisenberger, NI; Lieberman, M (2005) "Why it hurts to be left out: The neurocognitive overlap between physical and social pain"بایگانیشده در ۲۹ فوریه ۲۰۱۲ توسط Wayback Machine in Williams, KD; Forgas, JP; von Hippel, W, The Social Outcast: Ostracism, Social Exclusion, Rejection, and Bullying. New York: Cambridge University Press. pp. 109–127. See page 120.
^Melzack, R; Casey, KL (1968). "Sensory, motivational and central control determinants of chronic pain: A new conceptual model". In Kenshalo, DR. The Skin Senses. Springfield, Illinois: Thomas. p. 432.
Breivik, H; Borchgrevink, PC; Allen, SM; Rosseland, LA; Romundstad, L; Hals, EK; Kvarstein, G; Stubhaug, A (2008). "Assessment of pain".بایگانیشده در ۱۲ مه ۲۰۱۰ توسط Wayback MachineBritish journal of anaesthesia101 (1): 17–24. PMID 18487245.
Eisenberger, NI; Lieberman, M (2005) "Why it hurts to be left out: The neurocognitive overlap between physical and social pain"بایگانیشده در ۲۹ فوریه ۲۰۱۲ توسط Wayback Machine in Williams, KD; Forgas, JP; von Hippel, W, The Social Outcast: Ostracism, Social Exclusion, Rejection, and Bullying. New York: Cambridge University Press. pp. 109–127. See page 120.
^Melzack, R; Casey, KL (1968). "Sensory, motivational and central control determinants of chronic pain: A new conceptual model". In Kenshalo, DR. The Skin Senses. Springfield, Illinois: Thomas. p. 432.