Rahman, Mohammad Habibur, et al. “Role of Foam Sclerotherapy With Injection Ethanolamine Oleate for the Treatment of Venous Malformation in Head-Neck Region”. Bangladesh Journal of Otorhinolaryngology, vol. 26, no. 2, Dec. 2020, pp. 79-85, doi:10.3329/bjo.v26i2.50606.