Chung, H., He, S., Nasreen, S., Sundaram, M. E., Buchan, S. A., Wilson, S. E., . . . Kwong, J. C. (2021). Effectiveness of BNT162b2 and mRNA-1273 covid-19 vaccines against symptomatic SARS-CoV-2 infection and severe covid-19 outcomes in Ontario, Canada: Test negative design study. BMJ (Online), 374, n1943. https://doi.org/10.1136/bmj.n1943
Citace podle Chicago (17th ed.)Chung, Hannah, et al. "Effectiveness of BNT162b2 and MRNA-1273 Covid-19 Vaccines Against Symptomatic SARS-CoV-2 Infection and Severe Covid-19 Outcomes in Ontario, Canada: Test Negative Design Study." BMJ (Online) 374 (2021): n1943. https://doi.org/10.1136/bmj.n1943.
Citace podle MLA (9th ed.)Chung, Hannah, et al. "Effectiveness of BNT162b2 and MRNA-1273 Covid-19 Vaccines Against Symptomatic SARS-CoV-2 Infection and Severe Covid-19 Outcomes in Ontario, Canada: Test Negative Design Study." BMJ (Online), vol. 374, 2021, p. n1943, https://doi.org/10.1136/bmj.n1943.