TY  - RPRT
TI  - Screening for fetal abnormalities in multiple pregnancies.
AU  - N J Sebire
AU  - K H Nicolaides
PY  - 1998
DO  - 10.1016/s0950-3552(98)80037-0
UR  - https://pubmed.ncbi.nlm.nih.gov/9930287/
ID  - 9930287
ER  -