Kareem, D. R., A. K. Z. Benyan, F. A. Ali, and W. M. Al- Elwee. “Pleuropulmonary Blastoma: A Case Report”. Journal of Postgraduate Medical Institute, vol. 27, no. 4, Oct. 2013, https://www.jpmi.org.pk/index.php/jpmi/article/view/1278.