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APA Citation
Yang, Y., Wang, X., Du, R., Zhang, W., Si, H., Zhu, Y., Shen, X., Li, Q., Li, B., Men, D., Zhou, Y., Wang, H., Tong, X., Zhang, X., Shi, Z., & Zhou, P. (2021). serological investigation of asymptomatic cases of SARS-CoV-2 infection reveals weak and declining antibody responses. Emerging microbes & infections, 10(1), 905–912. http://access.bl.uk/ark:/81055/vdc_100130246244.0x000008