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Appendix Figure 2. Selection of Randomized Trials for the Systematic Review and Meta-analysis

Chart shows the following process of selection: Trials identified and screened for retrieval (n=146); Trials excluded (n=132); Trials retrieved for more detailed evaluation (n=14); Trials excluded (n=4); Trials of breast self-examination (n=2); Trials potentially eligible for the meta-analysis (n=8); Trials excluded from meta-analysis because of poor quality (n=1); Trials included in the meta-analysis (n=7); Trials withdrawn (n=0); Trials with usable information (n=7).

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