APA (7th ed.) Citation

Luijendijk, H. J., Page, M. J., Burger, H., & Koolman, X. (2020). Assessing risk of bias: A proposal for a unified framework for observational studies and randomized trials. BMC Medical Research Methodology, 20(1), N.PAG. https://doi.org/10.1186/s12874-020-01115-7

Chicago Style (17th ed.) Citation

Luijendijk, Hendrika J., Matthew J. Page, Huibert Burger, and Xander Koolman. "Assessing Risk of Bias: A Proposal for a Unified Framework for Observational Studies and Randomized Trials." BMC Medical Research Methodology 20, no. 1 (2020): N.PAG. https://doi.org/10.1186/s12874-020-01115-7.

MLA (9th ed.) Citation

Luijendijk, Hendrika J., et al. "Assessing Risk of Bias: A Proposal for a Unified Framework for Observational Studies and Randomized Trials." BMC Medical Research Methodology, vol. 20, no. 1, 2020, p. N.PAG, https://doi.org/10.1186/s12874-020-01115-7.