J, N., J, S., W, S., JJ, M., & C, S. (2022). Characteristics of registered and published systematic reviews focusing on the prevention of COVID-19: A meta-research study. BMJ open, 12(5), e060255. https://doi.org/10.1136/bmjopen-2021-060255
Chicago Style (17th ed.) CitationJ, Nothacker, Stadelmaier J, Siemens W, Meerpohl JJ, and Schmucker C. "Characteristics of Registered and Published Systematic Reviews Focusing on the Prevention of COVID-19: A Meta-research Study." BMJ Open 12, no. 5 (2022): e060255. https://doi.org/10.1136/bmjopen-2021-060255.
MLA (9th ed.) CitationJ, Nothacker, et al. "Characteristics of Registered and Published Systematic Reviews Focusing on the Prevention of COVID-19: A Meta-research Study." BMJ Open, vol. 12, no. 5, 2022, p. e060255, https://doi.org/10.1136/bmjopen-2021-060255.