|
Resolution: standard / high Figure 2.
Trial one screening and enrollment diagram.
Merchant et al. BMC Public Health 2007 7:238 doi:10.1186/1471-2458-7-238 |
|
Resolution: standard / high Figure 2.
Trial one screening and enrollment diagram.
Merchant et al. BMC Public Health 2007 7:238 doi:10.1186/1471-2458-7-238 |
