Bellosta, M., E. Domaneschi, S. Rossi, R. Caporali, and C. Montecucco. “S.A.P.H.O. Syndrome in Childhood. Report of Three Cases.”. European Journal of Pediatric Dermatology, vol. 3, no. 4, June 2018, pp. 213-7, https://ejpd.com/index.php/journal/article/view/1727.