TY  - RPRT
TI  - Antenatal screening for Down's syndrome.
AU  - J Dimavicius
PY  - 1998
DO  - 10.1016/s0140-6736(05)79935-9
UR  - https://pubmed.ncbi.nlm.nih.gov/9851421/
ID  - 9851421
ER  -