Diameter.biparietal/Diameter.occipital:LenRto:Pt:Head^Fetus:Qn:US.estimated from Chitty 1994
diameter.biparietal/diameter.occipital:lenrto:pt:head^fetus:qn:us.estimated from chitty 1994
Fetal Head Diameter.biparietal/Diameter.occipital estimated from gestational age by method of Chitty 1994 (US)
fetal head diameter.biparietal/diameter.occipital estimated from gestational age by method of chitty 1994 (us)