Borges, A. S., A. Brasileiro, E. Matos Pires, J. Baptista, C. Galhardas, and M. Apetato. “Facial Lesions in Children: Often a Challenging Diagnosis”. Journal of the Portuguese Society of Dermatology and Venereology, Vol. 76, no. 3, Oct. 2018, pp. 345-6, doi:10.29021/spdv.76.3.888.