TY  - RPRT
TI  - Screening for Down's syndrome.
AU  - R Aitken
AU  - J King
AU  - P George
PY  - 1994
DO  - 10.1177/000456329403100318
UR  - https://pubmed.ncbi.nlm.nih.gov/8067676/
ID  - 8067676
ER  -