Resolution: standard / high
Figure 1.
Number of participants at each stage of the recruitment process.
Abou-Saleh et al. Harm Reduction Journal 2008 5:25 doi:10.1186/1477-7517-5-25
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Resolution: standard / high Figure 1.
Number of participants at each stage of the recruitment process.
Abou-Saleh et al. Harm Reduction Journal 2008 5:25 doi:10.1186/1477-7517-5-25 |