Thakkar, Umang G., et al. “Congenital Venous Malformation in an 8-Year-Old Female Child Treated With Ethanol Injection”. Puerto Rico Health Sciences Journal, vol. 36, no. 3, Sept. 2017, pp. 186-7, https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/1707.