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Comparative Study
. 1983 Nov;62(11):1170-3.
doi: 10.1177/00220345830620111601.

Plasma beta-endorphin-like immunoreactivity, pain and anxiety following administration of placebo in oral surgery patients

K M Hargreaves, R A Dionne, G P Mueller
Comparative Study

Plasma beta-endorphin-like immunoreactivity, pain and anxiety following administration of placebo in oral surgery patients

K M Hargreaves et al. J Dent Res. 1983 Nov.

Abstract

Plasma beta-endorphin was measured in patients undergoing a stressful procedure, the removal of impacted third molars. In patients reporting little pain, endorphin levels increased significantly during surgery, whereas patients reporting pain and anxiety showed little increase in endorphin levels.

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