Halevy, S., Ghislain, P.-D., Mockenhaupt, M., Fagot, J.-P., Bouwes Bavinck, J. N., Sidoroff, A., Naldi, L., Dunant, A., Viboud, C., & Roujeau, J.-C. (2008). Allopurinol is the most common cause of Stevens-Johnson syndrome and toxic epidermal necrolysis in Europe and Israel. Journal of the American academy of dermatology, 58(1), 25-32. https://doi.org/10.1016/j.jaad.2007.08.036 (Original work published 2008)