Fetal trisomy 13 risk:Imp:Pt:WBC.DNA+Plas.cfDNA:Ord:Dosage of chromosome specific cf DNA
fetal trisomy 13 risk:imp:pt:wbc.dna+plas.cfdna:ord:dosage of chromosome specific cf dna
Fet Ts 13 risk WBC.DNA+cfDNA Ql
fet ts 13 risk wbc.dna+cfdna ql