Pollock, M <br/><br/>
A Copper 7 IUCD with no copper.  [electronic resource] 

 -  British medical journal  Jun 1979 
 - 1564 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0007-1447 
<br/><br/><label>Standard No.: </label>10.1136/bmj.1.6177.1564  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Female<br/>Humans<br/>Intrauterine Devices, Copper<br/>Pregnancy<br/>Time Factors