C. . Arias-Rodriguez, J. Nowowiejska, G. Argenziano, and V. Piccolo, “Cryotherapy Unmasks Umbilication in Molluscum Contagiosum”, Dermatol Pract Concept, vol. 13, no. 2, p. e2023106, Apr. 2023, doi: 10.5826/dpc.1302a106.