Kabir, A. L., J. U. Majumder, A. A. Mridha, M. Rahman, and M. R. Amin. “Pediatric Flexible Fiberoptic Bronchoscopy”. Bangladesh Journal of Child Health, vol. 29, no. 3, Sept. 2010, pp. 93-98, doi:10.3329/bjch.v29i3.6188.