Second trimester penta maternal screen:Imp:Pt:Ser/Plas:Nom
second trimester penta maternal screen:imp:pt:ser/plas:nom
Second trimester penta maternal screen:Impression/interpretation of study:To identify measures at a point in time:Serum/Plasma:Nominal
second trimester penta maternal screen:impression/interpretation of study:to identify measures at a point in time:serum/plasma:nominal