Jiang, Nan, Yang Liu, Bo Yang, Zhijun Li, Daoyuan Si, Piyong Ma, Jinnan Zhang, Tianji Liu, and Qiong Yu. “Analysis of the Factors Associated With Negative Conversion of Severe Acute Respiratory Syndrome Coronavirus 2 RNA of Coronavirus Disease 2019”. Open Access Macedonian Journal of Medical Sciences 8, no. T1 (November 7, 2020): 436–442. Accessed April 17, 2024. https://oamjms.eu/index.php/mjms/article/view/5488.