Neelamma, K.A.S. and E., D.R. 2021. Clinical profile and bacteriological eitiology in cases of acute exacerbation of COPD in a tertiary care: a tertiary care study. International Journal of Advances in Medicine. 8, 5 (Apr. 2021), 696–700. DOI:https://doi.org/10.18203/2349-3933.ijam20211478.