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Figure 1.
Flow diagram of study selection process in Medline.
Thangaratinam et al. BMC Pregnancy and Childbirth 2008 8:38 doi:10.1186/1471-2393-8-38
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Resolution: standard / high Figure 1.
Flow diagram of study selection process in Medline.
Thangaratinam et al. BMC Pregnancy and Childbirth 2008 8:38 doi:10.1186/1471-2393-8-38 |