Resolution: standard / high
Figure 1.
Flow chart of selection decisions.
Zhang et al. Trials 2008 9:22 doi:10.1186/1745-6215-9-22
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Resolution: standard / high Figure 1.
Flow chart of selection decisions.
Zhang et al. Trials 2008 9:22 doi:10.1186/1745-6215-9-22 |