Gao, Xuesong, Di Yang, Zheng Yuan, Yijin Zhang, Hongjie Li, Ping Gao, Xiaomin Liu, et al. “Improving the Early Diagnosis of Suspected Patients With COVID-19: A Retrospective Study of 106 Patients”. The Journal of Infection in Developing Countries 14, no. 06 (June 30, 2020): 547–553. Accessed April 20, 2024. https://jidc.org/index.php/journal/article/view/32683343.