TY  - RPRT
TI  - Nuchal translucency in the first trimester.
AU  - B Hewitt
PY  - 1993
DO  - 10.1111/j.1479-828x.1993.tb02117.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8179549/
ID  - 8179549
ER  -