Ghazal, S., A. Kumar, B. Shrestha, S. Sajid, M. Malik, and N. Rizvi. “Risk Factors Predicting Mortality in Patients With Lung Abscess in a Public Tertiary Care Center in Karachi, Pakistan”. Journal of Nepal Medical Association, vol. 52, no. 192, Dec. 2013, doi:10.31729/jnma.2428.