Burdick, C O <br/><br/>
Precision assay by formula for duplicate pairs.  [electronic resource] 

 -  American journal of obstetrics and gynecology  Jun 1971 
 - 598-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-9378 
<br/><br/><label>Standard No.: </label>10.1016/0002-9378(71)90710-1  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Estriol--urine<br/>Mathematics<br/>Pregnancy Tests