Resolution: standard / high
Figure 5.
The 50th centile for biparietal diameter (outer-outer) with 95% confidence interval in the present study compared with those of Altman and Chitty (blue line)[10]and Johnsen et al (red line)[14].
Salpou et al. BMC Pregnancy and Childbirth 2008 8:48 doi:10.1186/1471-2393-8-48
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