|
Resolution: standard / high Figure 2.
Flowchart of the study sample included in the analyses.
Premberg et al. BMC Pregnancy and Childbirth 2012 12:35 doi:10.1186/1471-2393-12-35 |
|
Resolution: standard / high Figure 2.
Flowchart of the study sample included in the analyses.
Premberg et al. BMC Pregnancy and Childbirth 2012 12:35 doi:10.1186/1471-2393-12-35 |
