Biswas, S., R. Saha, J. Deb, and P. Dey. “Evaluation of Trans Thoracic Invasive Diagnostic Procedures in 50 Adult Patients of Mediastinal Diseases”. International Journal of Medical Research and Review, Vol. 7, no. 4, Aug. 2019, pp. 324-31, doi:10.17511/ijmrr.2019.i04.11.