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Siontis, Georgios; Nikolakopoulou, Adriani; Sweda, Romy; Mavridis, Dimitris; Salanti, Georgia (2022). Estimating the sample size of sham-controlled randomized controlled trials using existing evidence [version 2; peer review: 2 approved]. F1000Research, 11, p. 85. F1000 Research Ltd 10.12688/f1000research.108554.2
