Perimeter:Len:Pt:Abdomen^Fetus:Qn:US.estimated from Hadlock 1984
perimeter:len:pt:abdomen^fetus:qn:us.estimated from hadlock 1984
Perimeter:Len:Pt:Abdomen^Fetus:Qn:US.estimated from Hadlock 1984
perimeter:len:pt:abdomen^fetus:qn:us.estimated from hadlock 1984