Renzoni, A., A. Pirrea, F. Novello, A. Lepri, P. Cammarata, C. Tarantino, F. D'Ancona, and A. Perra. “The Tattooed Population in Italy: A National Survey on Demography, Characteristics and Perception of Health Risks”. Annali dell’Istituto Superiore Di Sanità, vol. 54, no. 2, June 2018, pp. 126-3, https://annali.iss.it/index.php/anna/article/view/543.