Length.crown rump:Len:Pt:^Fetus:Qn:US.estimated from ASUM 2000
length.crown rump:len:pt:^fetus:qn:us.estimated from asum 2000
Length.crown rump:Len:Pt:^Fetus:Qn:US.estimated from ASUM 2000
length.crown rump:len:pt:^fetus:qn:us.estimated from asum 2000