Bashir, Shumail, Javvid Muzamil, Faisal R. Guru, Naveed Mohsin, Firdousa Nabi, and M.S. Kanwar. “Patterns of Infections in Chronic Obstructive Pulmonary Disease Exacerbations and Its Outcome in High Dependency Area, Intensive Care Setting in a Tertiary Care Hospital: COPD, Infections, and Invasive Ventilation”. Community Acquired Infection 3 (September 29, 2016). Accessed May 4, 2025. https://www.hksmp.com/journals/cai/article/view/273.