TY  - RPRT
TI  - Genetic diagnosis before the eighth gestational week.
AU  - B Brambati
AU  - L Tului
AU  - G Simoni
AU  - M Travi
PY  - 1991
DO  - 10.1097/00006250-199102000-00034
UR  - https://pubmed.ncbi.nlm.nih.gov/1988902/
ID  - 1988902
ER  -