Bossart, Simon, Valentina Imstepf, Robert E. Hunger, and S. Morteza Seyed Jafari. 2020. “Nonavalent Human Papillomavirus Vaccination As a Treatment for Skin Warts in Immunosuppressed Adults: A Case Series”. Acta Dermato-Venereologica 100 (6):1-2. https://doi.org/10.2340/00015555-3437.