Cite
APA Citation
Tian, S., Hu, N., Lou, J., Chen, K., Kang, X., Xiang, Z., Chen, H., Wang, D., Liu, N., Liu, D., Chen, G., Zhang, Y., Li, D., Li, J., Lian, H., Niu, S., Zhang, L., & Zhang, J. (2020). characteristics of COVID-19 infection in Beijing. Journal of infection, 80(4), 401–406. http://access.bl.uk/ark:/81055/vdc_100103933142.0x000046