Shrestha, P., A. Dhungana, M. Kayastha, M. Shrestha, and D. Niroula. “Flexible Bronchoscopic Removal of Push-Pin from Right Lower Lobe Bronchus: A Case Report”. Nepalese Medical Journal, vol. 3, no. 1, June 2020, pp. 323-5, doi:10.3126/nmj.v3i1.28613.