Biswas, B. K., K. S. Islam, and M. Aftabuddin. “Successful Surgical Management of Carcinoma Lung in a 80 Years Old Male”. Bangabandhu Sheikh Mujib Medical University Journal, vol. 9, no. 2, Aug. 2016, pp. 109-12, doi:10.3329/bsmmuj.v9i2.28896.