Length.crown rump:Len:Pt:^Fetus:Qn:US.estimated from ASUM 2000
length.crown rump:len:pt:^fetus:qn:us.estimated from asum 2000
Fetal Crown Rump length estimated from gestational age by method of Australian Society of Ultrasound Medicine 2000 (US)
fetal crown rump length estimated from gestational age by method of australian society of ultrasound medicine 2000 (us)