Yang, Li-Qin, Jin-Ming Cao, Tian-Wu Chen, Jian-Qiong Yang, and Qi-Wen Mu. “Concordance of Chest CT and Nucleic Acid Testing in Diagnosing Coronavirus Disease Outside Its District of Origin (Wuhan, China)”. Clinics 750 (August 27, 2020): e1910. Accessed July 28, 2021. https://www.revistas.usp.br/clinics/article/view/174211.