Agarwal, Reshu, Mohammad Shoaib Zaheer, Zubair Ahmad, and Jamal Akhtar. 2013. “The Relationship Between C-Reactive Protein and Prognostic Factors in Chronic Obstructive Pulmonary Disease”. Multidisciplinary Respiratory Medicine 8 (9). https://doi.org/10.4081/mrm.2013.575.