Islam, M. M. Z., Hossain, M. M., Mamun, M. A. A., Mahmud, S., & Yasmeen, B. N. (2015). Risk factors which affect the change of antibiotics in neonatal pneumonia observed in a tertiary care hospital. Northern International Medical College Journal, 6(1), 21–24. https://doi.org/10.3329/nimcj.v6i1.23156