Femur length/Abdominal circumference:LenRto:Pt:^Fetus:Qn:US.derived
femur length/abdominal circumference:lenrto:pt:^fetus:qn:us.derived
Femur length/Abdominal circumference:LenRto:Pt:^Fetus:Qn:US.derived
femur length/abdominal circumference:lenrto:pt:^fetus:qn:us.derived