Liley Zone:PrThr:Pt:Amnio fld:Ord:Spectrophotometry
liley zone:prthr:pt:amnio fld:ord:spectrophotometry
Liley Zone:Presence or Threshold:To identify measures at a point in time:Amniotic fluid:Ordinal:Spectrophotometry
liley zone:presence or threshold:to identify measures at a point in time:amniotic fluid:ordinal:spectrophotometry