Bonifazi, E., et al. “Evaluation of Safety and Efficacy of a Galenic Preparation of 1% Propranolol in 89 Cases of Cutaneous Infantile Hemangioma”. European Journal of Pediatric Dermatology, vol. 23, no. 2, June 2013, pp. 93-104, https://ejpd.migration.pkpps03.publicknowledgeproject.org/index.php/journal/article/view/922.