TY, C., HO, P., DM, I., & LT, K. (1983). Recent upper respiratory tract infection and pityriasis rosea: A case-control study of 249 matched pairs. The British journal of dermatology, 108(5), 587. https://doi.org/10.1111/j.1365-2133.1983.tb01061.x
Chicago Style (17th ed.) CitationTY, Chuang, Perry HO, Ilstrup DM, and Kurland LT. "Recent Upper Respiratory Tract Infection and Pityriasis Rosea: A Case-control Study of 249 Matched Pairs." The British Journal of Dermatology 108, no. 5 (1983): 587. https://doi.org/10.1111/j.1365-2133.1983.tb01061.x.
MLA (9th ed.) CitationTY, Chuang, et al. "Recent Upper Respiratory Tract Infection and Pityriasis Rosea: A Case-control Study of 249 Matched Pairs." The British Journal of Dermatology, vol. 108, no. 5, 1983, p. 587, https://doi.org/10.1111/j.1365-2133.1983.tb01061.x.