Gupta S, Goyal R, Shahi M. Frontal sinus mucopyelocele with intracranial and intraorbital extension. Nep J Oph [Internet]. 2011 Feb. 21 [cited 2024 May 6];3(1):91-2. Available from: https://www.nepjol.info/index.php/NEPJOPH/article/view/4287