Resolution: standard / high
Figure 3.
Recruitment and Retention.
Richardson et al. International Journal of Behavioral Nutrition and Physical Activity 2007 4:59 doi:10.1186/1479-5868-4-59
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Resolution: standard / high Figure 3.
Recruitment and Retention.
Richardson et al. International Journal of Behavioral Nutrition and Physical Activity 2007 4:59 doi:10.1186/1479-5868-4-59 |