Mazumder, M. W., A. B. Karim, M. Rukunuzzaman, F. Begum, and K. L. Nahid. “Foreign Body Ingestion in Children: Urgency of Management”. Bangladesh Journal of Child Health, vol. 43, no. 2, Aug. 2019, pp. 106-12, doi:10.3329/bjch.v43i2.42560.