ELKAN, R E <br/><br/>
A new test for pregnancy.  [electronic resource] 

 -  Postgraduate medical journal  Mar 1946 
 - 87-93 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0032-5473 
<br/><br/><label>Standard No.: </label>10.1136/pgmj.22.245.87  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Pregnancy--diagnosis