Hursthouse M W
Br J Dermatol. 1975 Jan;92(1):93-6. doi: 10.1111/j.1365-2133.1975.tb03039.x.
A double-blind controlled trial was performed on the use of topical 5% 5-fluorouracil ointment as a treatment for viral warts. The results showed the 5-fluorouracil to be better than the placebo.