Guerrero-Torija , A., Vallejo-Ruiz , S., Hernández-Nuñez , A., & Borbujo , J. (2020). Iperpigmentazione frontale idiopatica. European Journal of Pediatric Dermatology, 30(4), 216–20. Recuperato da https://it.ejpd.com/index.php/journal/article/view/1687