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APA Citation
Liu, X., Liu, Y., Wang, L., Hu, L., Liu, D., & Li, J. (2021). analysis of the prophylactic effect of thymosin drugs on COVID‐19 for 435 medical staff: A hospital‐based retrospective study. Journal of medical virology, 93(3), 1573–1580. http://access.bl.uk/ark:/81055/vdc_100120449440.0x000050