Begum, M., Saha, D., Hasan, M., Hasin, W., Sultana, N. and Saha, C.K. 2018. Outcome of microbiologically proven pneumonia by nasopharyngeal aspirate of infant attending in a tertiary care hospital. Northern International Medical College Journal. 9, 1 (Mar. 2018), 267–270. DOI:https://doi.org/10.3329/nimcj.v9i1.35926.