Hackshaw, A K <br/><br/>
Repeat maternal serum testing for Down's syndrome screening using multiple markers with special reference to free alpha and free beta-hCG.  [electronic resource] 

 -  Prenatal diagnosis  Dec 1995 
 - 1125-30 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0197-3851 
<br/><br/><label>Standard No.: </label>10.1002/pd.1970151208  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biomarkers--blood<br/>Chorionic Gonadotropin, beta Subunit, Human--blood<br/>Down Syndrome--blood<br/>False Positive Reactions<br/>Female<br/>Glycoprotein Hormones, alpha Subunit--blood<br/>Humans<br/>Pregnancy<br/>Prenatal Diagnosis--methods<br/>Risk Factors