Bull, R., & David, I. (1986). The Stigmatizing Effect of Facial Disfigurement: Nigerian and English Nurses’ and Office Workers’ Ratings of Normal and Scarred Faces: Nigerian and English Nurses’ and Office Workers’ Ratings of Normal and Scarred Faces. Journal of Cross-Cultural Psychology, 17(1), 99-108. https://doi.org/10.1177/0022002186017001007 (Original work published 1986)