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Comment
. 2021 Jul;27(7):1043-1044.
doi: 10.1016/j.cmi.2021.04.026. Epub 2021 May 6.

Re: 'Methodological evaluation of bias in observational COVID-19 studies on drug effectiveness' by Wolkewitz et al

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Comment

Re: 'Methodological evaluation of bias in observational COVID-19 studies on drug effectiveness' by Wolkewitz et al

Alessandro Cozzi-Lepri et al. Clin Microbiol Infect. 2021 Jul.
No abstract available

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References

    1. Martinuka O., von Cube M., Wolkewitz M. Methodological evaluation of bias in observational COVID-19 studies on drug effectiveness. Clin Microbiol Infect. 2021;27:949–957. - PMC - PubMed
    1. Guaraldi G., Meschiari M., Cozzi-Lepri A., Milic J., Tonelli R., Menozzi M. Tocilizumab in patients with severe COVID-19: a retrospective cohort study. Lancet Rheumatol. 2020;2:e474–e484. - PMC - PubMed
    1. REMAP-CAP Investigators, Gordon A.C., Mouncey P.R., Al-Beidh F., Rowan K.M., Nichol A.D. Interleukin-6 receptor antagonists in critically ill patients with Covid-19. N Engl J Med. 2021;384:1491–1502. - PMC - PubMed
    1. Geskus R.B. 1st ed. Editor Chapman and Hall/CRC; 2015. Data analysis with competing risks and intermediate states.
    1. RECOVERY Collaborative Group Tocilizumab in patients admitted to hospital with COVID-19 (RECOVERY): a randomised, controlled, open-label, platform trial. Lancet. 2021;397:1637–1645. - PMC - PubMed

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