Wang, Shan, Jia Liu, Song Hu, and Yongjun Mao. 2024. “LDH and NLR, As Inflammatory Markers, the Independent Risk Factors for COVID-19 Complicated With Respiratory Failure in Elderly Patients”. Pakistan Journal of Medical Sciences 40 (9). https://doi.org/10.12669/pjms.40.9.8728.