Sharma, R. K., G. Chhabra, A. Luhadia, S. Sharma, and S. K. Luhadia. “Comparative Study of Computed Tomography Guided Fine Needle Aspiration Cytology and Trucut Biopsy in Diagnosis of Lung Cancer: A Report of 81 Cases”. International Journal of Research in Medical Sciences, vol. 4, no. 3, Dec. 2016, pp. 806-8, doi:10.18203/2320-6012.ijrms20160522.