Thilaganathan, B <br/><br/>
Effect of first-trimester nuchal translucency on second-trimester maternal serum biochemical screening for Down's syndrome.  [electronic resource] 

 -  Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology  Oct 1997 
 - 261-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0960-7692 
<br/><br/><label>Standard No.: </label>10.1046/j.1469-0705.1997.10040261.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Biomarkers--blood<br/>Down Syndrome--diagnosis<br/>Female<br/>Gestational Age<br/>Humans<br/>Infant, Newborn<br/>Karyotyping<br/>Maternal Age<br/>Neck--diagnostic imaging<br/>Predictive Value of Tests<br/>Pregnancy<br/>Pregnancy, High-Risk<br/>Risk Factors<br/>Sensitivity and Specificity<br/>Ultrasonography, Prenatal