TY - JOUR
TI - Adjusting the Risk for Trisomy 21 on the Basis of Second-Trimester Ultrasonography: 
JF - Journal of Diagnostic Medical Sonography
DO - 10.1177/875647939501100524
DA - 2016-07-01
UR - https://www.deepdyve.com/lp/sage/adjusting-the-risk-for-trisomy-21-on-the-basis-of-second-trimester-EuhLEd07S0
SP - 271
EP - 272
VL - 11
IS - 5
DP - DeepDyve
ER -