Xu, Jinwei, Guangyao Yao, Aili Zhang, Haixiang Gao, and Li Yan. “Analysis of the Expression and Significance of Lymphocyte Ratio in Different Stages and Clinical Types of COVID-19: Lymphocyte in COVID-19”. Cellular and Molecular Biology 69, no. 15 (December 31, 2023): 132–135. Accessed May 18, 2024. https://cellmolbiol.org/index.php/CMB/article/view/5179.