Diameter.biparietal outer to inner:Len:Pt:Head^Fetus:Qn:US.estimated from Chitty 1994
diameter.biparietal outer to inner:len:pt:head^fetus:qn:us.estimated from chitty 1994
Diameter.biparietal outer to inner:Len:Pt:Head^Fetus:Qn:US.estimated from Chitty 1994
diameter.biparietal outer to inner:len:pt:head^fetus:qn:us.estimated from chitty 1994