Rajvanshi N, Kumar P, Goyal JP. Utility of systemic immune-inflammation index as a serum biomarker to differentiate between complicated and simple para-pneumonic effusion. Monaldi Arch Chest Dis [Internet]. 2023 Sep. 7 [cited 2024 Nov. 22];94(3). Available from: https://www.monaldi-archives.org/macd/article/view/2652