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Fig. 2 | BMC Ophthalmology

Fig. 2

From: Simulation training in vitreoretinal surgery: a systematic review

Fig. 2

Risk of bias summary. A summary of the authors’ judgements on each risk of bias item for each included study. Green circle = low risk of bias; yellow circle = unclear risk of bias; red circle = high risk of bias; blank = not applicable due to study design. Software used: Review Manager v5.3 (The Nordic Cochrane Centre, The Cochrane Collaboration, Copenhagen, Denmark)

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