Das, Aparna, Ahmed Hossain, Maruf H. Chowdhury, H.M. Mustafijur Rahman, and Shumona Zahid. 2013. “Askin’s Tumor - A Rare Case Report and Literature Review”. Journal of Medicine 14 (1):94-97. https://doi.org/10.3329/jom.v14i1.14588.