Watts, T <br/><br/>
Maternal periodontal disease and preterm low birthweight: case-control study.  [electronic resource] 

 -  British dental journal  Sep 2002 
 - 267 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1476-5373 
<br/><br/><label>Standard No.: </label>10.1038/sj.bdj.4801541  doi