Cross section:Area:Pt:Abdomen^Fetus:Qn:US.derived
cross section:area:pt:abdomen^fetus:qn:us.derived
Cross section:Area:To identify measures at a point in time:Abdomen^Fetus:Quantitative:Ultrasound.derived
cross section:area:to identify measures at a point in time:abdomen^fetus:quantitative:ultrasound.derived