Sirsikar, M., V. B. K. Pinnelli, and R. D. S. “Elevated Levels of Serum Sialic Acid and C-Reactive Protein: Markers of Systemic Inflammation in Patients With Chronic Obstructive Pulmonary Disease”. International Journal of Research in Medical Sciences, vol. 4, no. 4, Dec. 2016, pp. 1209-15, doi:10.18203/2320-6012.ijrms20160811.