Gestational age:Time:Pt:^Fetus:Qn:US.estimated from clavicle length.Yarkoni 1985
gestational age:time:pt:^fetus:qn:us.estimated from clavicle length.yarkoni 1985
Gestational age:Time:Pt:^Fetus:Qn:US.estimated from clavicle length.Yarkoni 1985
gestational age:time:pt:^fetus:qn:us.estimated from clavicle length.yarkoni 1985