Evans, Mark I <br/><br/>
Standardization of methods reduces variability: explanation for historical discrepancies in biochemical screening.  [electronic resource] 

 -  Genetic testing  2003 
 - 81-3 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1090-6576 
<br/><br/><label>Standard No.: </label>10.1089/109065703321561001  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biomarkers--analysis<br/>Chorionic Gonadotropin, beta Subunit, Human--analysis<br/>Diagnostic Tests, Routine--standards<br/>Enzyme-Linked Immunosorbent Assay--standards<br/>Estriol--analysis<br/>Female<br/>Humans<br/>Pregnancy<br/>Reproducibility of Results<br/>alpha-Fetoproteins--analysis