Gestational age:Time:Pt:^Fetus:Qn:US.estimated from FTA.Osaka 1989
gestational age:time:pt:^fetus:qn:us.estimated from fta.osaka 1989
Gestational age:Time:Pt:^Fetus:Qn:US.estimated from FTA.Osaka 1989
gestational age:time:pt:^fetus:qn:us.estimated from fta.osaka 1989