Nagaraj, N., Sehra, R. N., Berwal, P., Choudhary, S., Lal, D., Kadela, R., Raj, R., & Patel, P. K. (2017). A clinical study of foreign bodies in air passages. Indian Journal of Child Health, 4(2), 151-154. https://doi.org/10.32677/IJCH.2017.v04.i02.010