Li, Y., Yang, T., Wang, S., Zheng, J., Zhou, J., Jiang, M., Zhou, T., Cao, Y. and Wang, H. 2021. The value of lymphocyte count in determining the severity of COVID-19 and estimating the time for nucleic acid test results to turn negative. Biomolecules and Biomedicine. 21, 2 (Apr. 2021), 235–241. DOI:https://doi.org/10.17305/bjbms.2020.4868.