TY  - RPRT
TI  - Down syndrome screening in the first and/or second trimester: model predicted performance using meta-analysis parameters.
AU  - Howard Cuckle
AU  - Peter Benn
AU  - Dave Wright
PY  - 2005
DO  - 10.1053/j.semperi.2005.05.004
UR  - https://pubmed.ncbi.nlm.nih.gov/16104677/
ID  - 16104677
ER  -