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GRADE guidelines 33: Addressing imprecision in a network meta-analysis.
Brignardello-Petersen R, Guyatt GH, Mustafa RA, Chu DK, Hultcrantz M, Schünemann HJ, Tomlinson G. Brignardello-Petersen R, et al. J Clin Epidemiol. 2021 Nov;139:49-56. doi: 10.1016/j.jclinepi.2021.07.011. Epub 2021 Jul 19. J Clin Epidemiol. 2021. PMID: 34293434