Ilyas, Muhammad. “Association of Fibrinogen and Neutrophil Levels With Incidence and Severity of Chronic Obstructive Pulmonary Disease”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 48, no. 1 (August 14, 2019): 143–159. Accessed September 17, 2025. https://gssrr.org/JournalOfBasicAndApplied/article/view/10235.