Bonifazi, E., and A. Milano. 2012. “Rebound Effect in Subglottic Hemangioma Treated With Propranol. Usefulness of the Association Propranolol-Corticosteroids”. European Journal of Pediatric Dermatology 22 (4):288-89. https://ejpd.migration.pkpps03.publicknowledgeproject.org/index.php/journal/article/view/811.