Sriphojanart, T., Khunkhet, S., & Suchonwanit, P. (2017). A retrospective comparative study of the efficacy and safety of two regimens of diphenylcyclopropenone in the treatment of recalcitrant alopecia areata. Dermatology Reports, 9(2). https://doi.org/10.4081/dr.2017.7399