|
Resolution: standard / high Figure 1.
Flow chart of the participants and allocation through the trial.
van Beelen et al. BMC Public Health 2010 10:466 doi:10.1186/1471-2458-10-466 |
|
Resolution: standard / high Figure 1.
Flow chart of the participants and allocation through the trial.
van Beelen et al. BMC Public Health 2010 10:466 doi:10.1186/1471-2458-10-466 |
