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APA Citation
Amirlak, l., Haddad, R., Hardy, J. D., Khaled, N. S., Chung, M. H., & Amirlak, B. (2021). effectiveness of booster BCG vaccination in preventing Covid-19 infection. Human vaccines & immunotherapeutics, 17(11), 3913–3915. http://access.bl.uk/ark:/81055/vdc_100148620624.0x000010