Czeizel, Andrew E <br/><br/>
The primary prevention of birth defects: Multivitamins or folic acid?  [electronic resource] 

 -  International journal of medical sciences  2004 
 - 50-61 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1449-1907 
<br/><br/><label>Standard No.: </label>10.7150/ijms.1.50  doi