Gestational age:Time:Pt:^Fetus:Qn:US.estimated from radius length.Jeanty 1983
gestational age:time:pt:^fetus:qn:us.estimated from radius length.jeanty 1983
Gestational age:Time:Pt:^Fetus:Qn:US.estimated from radius length.Jeanty 1983
gestational age:time:pt:^fetus:qn:us.estimated from radius length.jeanty 1983