APA (7th ed.) Citation

Ziemann, S., Paetzolt, I., Grüßer, L., Coburn, M., Rossaint, R., & Kowark, A. (2022). Poor reporting quality of observational clinical studies comparing treatments of COVID-19 - a retrospective cross-sectional study. BMC Medical Research Methodology, 22(1), 1. https://doi.org/10.1186/s12874-021-01501-9

Chicago Style (17th ed.) Citation

Ziemann, Sebastian, Irina Paetzolt, Linda Grüßer, Mark Coburn, Rolf Rossaint, and Ana Kowark. "Poor Reporting Quality of Observational Clinical Studies Comparing Treatments of COVID-19 - a Retrospective Cross-sectional Study." BMC Medical Research Methodology 22, no. 1 (2022): 1. https://doi.org/10.1186/s12874-021-01501-9.

MLA (9th ed.) Citation

Ziemann, Sebastian, et al. "Poor Reporting Quality of Observational Clinical Studies Comparing Treatments of COVID-19 - a Retrospective Cross-sectional Study." BMC Medical Research Methodology, vol. 22, no. 1, 2022, p. 1, https://doi.org/10.1186/s12874-021-01501-9.