Khan, Maham, Aaron Boyce, David Prieto-Merino, Åke Svensson, Emma Wedgeworth, and Carsten Flohr. 2017. “The Role of Topical Timolol in the Treatment of Infantile Hemangiomas: A Systematic Review and Meta-Analysis”. Acta Dermato-Venereologica 97 (10):1167-71. https://doi.org/10.2340/00015555-2681.