P. Sreelatha, S. Raghavan, N. Naveen, and K. Venugopal, “Diagnostic Yield of Ultrasound Guided Transthoracic Fine Needle Aspiration Biopsy in the Diagnosis of Intrathoracic Lesions”, KMJ, vol. 10, no. 1, pp. 18-24, Mar. 2017.