Karmakar, S., Karmakar, S., Prasad, R., Kant, S., Nath, A., & Mahdi, F. (2017). Clinical and microbiological characteristics of thoracic empyema: retrospective analysis in a tertiary care centre. International Journal of Advances in Medicine, 4(5), 1309–1312. https://doi.org/10.18203/2349-3933.ijam20174166