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Figure 1.
Study design.
Rubio-Valera et al. BMC Public Health 2009 9:284 doi:10.1186/1471-2458-9-284
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Resolution: standard / high Figure 1.
Study design.
Rubio-Valera et al. BMC Public Health 2009 9:284 doi:10.1186/1471-2458-9-284 |