7: Genuine, Suppressed, and Faked Facial Behavior during Exacerbation of Chronic Low Back Pain
edited by Erika L. Rosenberg and Paul Ekman, 1934-; with Christopher J. Patrick, fl. 1989, Susan A. Hyde and Kenneth D. Craig; in What the Face Reveals: Basic and Applied Studies of Spontaneous Expression Using the Facial Action Encoding System (FACS) (New York, NY: Oxford University Press, 2005, originally published 1997), 161-177