Tyagi, R., A. Bal, D. Mahajan, R. Nijhawan, and A. Das. “Pulmonary Hamartoma, a Rare Benign Tumour of the Lung - Case Series”. Asian Journal of Medical Sciences, vol. 5, no. 3, Feb. 2014, pp. 112-5, doi:10.3126/ajms.v5i3.9243.