A. Agarwala, S. Basuthakur, S. Shamim, K. Saha, S. Bhattacharya, and A. Sengupta, “Diagnostic Yield of Fiber Optic Bronchoscopy and CECT Thorax in Patients of Haemoptysis with Normal Chest X-Ray”, Int J Med Res Rev, vol. 3, no. 1, pp. 57-62, Feb. 2015.