Fetal chromosome 13+18+21+Y aneuploidy:PrThr:Pt:Plas.cfDNA:Ord:Dosage of chromosome specific cf DNA
fetal chromosome 13+18+21+y aneuploidy:prthr:pt:plas.cfdna:ord:dosage of chromosome specific cf dna
Fet chrom 13+18+21+Y aneup cfDNA Ql
fet chrom 13+18+21+y aneup cfdna ql