TY  - RPRT
TI  - Multiparity and Down's syndrome.
AU  - J E Haddow
AU  - G E Palomaki
PY  - 1994
DO  - 10.1016/s0140-6736(94)92308-6
UR  - https://pubmed.ncbi.nlm.nih.gov/7934367/
ID  - 7934367
ER  -