António, A. M., C. Moura, C. Semedo, S. Bitoque, M. Martins, M. Vilares, M. Pecegueiro, and J. Rosa Santos. “Sentinel Lymph Node Biopsy in Head and Neck Cutaneous Malignant Melanoma”. Journal of the Portuguese Society of Dermatology and Venereology, Vol. 77, no. 2, July 2019, pp. 129-33, doi:10.29021/spdv.77.2.1055.