Resolution: standard / high
Figure 1.
Participant flow chart.
Zahner et al. BMC Public Health 2006 6:147 doi:10.1186/1471-2458-6-147
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Resolution: standard / high Figure 1.
Participant flow chart.
Zahner et al. BMC Public Health 2006 6:147 doi:10.1186/1471-2458-6-147 |