TY  - RPRT
TI  - Three-dimensional sonography in diagnosing trisomy 18.
AU  - T Yonehara
AU  - T Hata
AU  - S Aoki
PY  - 1998
DO  - 10.2214/ajr.171.4.9763024
UR  - https://pubmed.ncbi.nlm.nih.gov/9763024/
ID  - 9763024
ER  -