Diameter.mean:Len:Pt:Gestational sac:Qn:US.measured
diameter.mean:len:pt:gestational sac:qn:us.measured
Diameter.mean:Length:To identify measures at a point in time:Gestational sac:Quantitative:Ultrasound.measured
diameter.mean:length:to identify measures at a point in time:gestational sac:quantitative:ultrasound.measured