“CT Findings of Pneumonic Adenocarcinoma : Comparison Between Invasive Mucinous Adenocarcinomna and Nonmucinous Adenocarcinoma”. Global Journal of Medical Research, vol. 14, no. D1, Jan. 2014, pp. 3-5, https://medicalresearchjournal.org/index.php/GJMR/article/view/597.