Gestational age:Time:Pt:^Fetus:Qn:US+Estimated from BPD.Hadlock 1984
gestational age:time:pt:^fetus:qn:us+estimated from bpd.hadlock 1984
Gestational age:Time:Pt:^Fetus:Qn:US+Estimated from BPD.Hadlock 1984
gestational age:time:pt:^fetus:qn:us+estimated from bpd.hadlock 1984