Kellner, L H <br/><br/>
Triple marker (alpha-fetoprotein, unconjugated estriol, human chorionic gonadotropin) versus alpha-fetoprotein plus free-beta subunit in second-trimester maternal serum screening for fetal Down syndrome: a prospective comparison study.  [electronic resource] 

 -  American journal of obstetrics and gynecology  Oct 1995 
 - 1306-9 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>0002-9378 
<br/><br/><label>Standard No.: </label>10.1016/0002-9378(95)91376-9  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Biomarkers--blood<br/>Chorionic Gonadotropin--blood<br/>Chorionic Gonadotropin, beta Subunit, Human--blood<br/>Down Syndrome--diagnosis<br/>Estriol--blood<br/>False Positive Reactions<br/>Female<br/>Fetal Diseases--diagnosis<br/>Humans<br/>Maternal Age<br/>Middle Aged<br/>Normal Distribution<br/>Predictive Value of Tests<br/>Pregnancy<br/>Pregnancy Trimester, Second<br/>Pregnancy, High-Risk<br/>Prenatal Diagnosis<br/>Prospective Studies<br/>Risk Factors<br/>alpha-Fetoproteins--analysis