APA (7th ed.) Citation

Brambilla, R., Gili, R., Taglianti, F. V., Lenzi, J., Riccò, M., Burioni, R., . . . Gori, D. The Effectiveness of COVID-19 Vaccines During the Pre-Omicron and Omicron Periods: A Retrospective Test-Negative Case–Control Study. MDPI AG.

Chicago Style (17th ed.) Citation

Brambilla, Romeo, et al. The Effectiveness of COVID-19 Vaccines During the Pre-Omicron and Omicron Periods: A Retrospective Test-Negative Case–Control Study. MDPI AG.

MLA (9th ed.) Citation

Brambilla, Romeo, et al. The Effectiveness of COVID-19 Vaccines During the Pre-Omicron and Omicron Periods: A Retrospective Test-Negative Case–Control Study. MDPI AG.

Warning: These citations may not always be 100% accurate.