DOI: 10.1055/s-00028422

Ultrasound International Open

References

Vintzileos AM, Egan JF.
Adjusting the risk for trisomy 21 on the basis of second-trimester ultrasonography.

American Journal of Obstetrics and Gynecology 1995;
172: 837-844

Download Bibliographical Data

Access:
Access:
Access: