Strambach FE, Piccolo V, Ronchi A, Russo T, Argenziano G, Moscarella E. A Pediatric Case of Papular Epidermal Nevus With “Skyline” Basal Cell Layer (PENS). Dermatol Pract Concept. 2019;9(4):313-314. doi:10.5826/dpc.0904a17