obstetric ultrasound: fetal femur length estimated from gestational age by Chitty 1994 method
obstetric ultrasound: fetal femur length estimated from gestational age by chitty 1994 method
obstetric ultrasound: fetal femur length estimated from gestational age by Chitty 1994 method
obstetric ultrasound: fetal femur length estimated from gestational age by chitty 1994 method