preferred_name: Chromosome 21 aneuploidy &#x7C; Amniotic fluid or Chorionic villus sample &#x7C; Molecular pathology
preferred_name_lc: chromosome 21 aneuploidy &#x7c; amniotic fluid or chorionic villus sample &#x7c; molecular pathology
label: Chromosome 21 aneuploidy &#x7C; Amniotic fluid or Chorionic villus sample &#x7C; Molecular pathology
label_lc: chromosome 21 aneuploidy &#x7c; amniotic fluid or chorionic villus sample &#x7c; molecular pathology