Cole, L A <br/><br/>
Stability of hCG free beta-subunit and beta-core fragment in urine.  [electronic resource] 

 -  Prenatal diagnosis  Feb 1997 
 - 185-7 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0197-3851 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chorionic Gonadotropin, beta Subunit, Human--urine<br/>Down Syndrome--diagnosis<br/>Female<br/>Humans<br/>Pregnancy<br/>Prenatal Diagnosis