Wicker, B.; Keysers, C.; Plailly, J.; Royet, J. P.; Gallese, V.; Rizzolatti, G. (2003). "Both of us disgusted in my insula: the common neural basis of seeing and feeling disgust". Neuron 40 (3): 655–64.doi:10.1016/S0896-6273(03)00679-2.PMID 14642287.
Rozin, P.; Lowery, L.; Ebert, R. (1994). "Varieties of disgust faces and the structure of disgust". Journal of Personality and Social Psychology 66 (5): 870–881.doi:10.1037/0022-3514.66.5.870. PMID 8014832.