preferred_name: Number of chromosome 21 present &#x7C; Amniotic fluid &#x7C; Molecular pathology
preferred_name_lc: number of chromosome 21 present &#x7c; amniotic fluid &#x7c; molecular pathology
label: Number of chromosome 21 present &#x7C; Amniotic fluid &#x7C; Molecular pathology
label_lc: number of chromosome 21 present &#x7c; amniotic fluid &#x7c; molecular pathology