You, Qing-ling <br/><br/>
[A comparative study on clinical effectiveness of activator and Headgear-Activator].  [electronic resource] 

 -  Shanghai kou qiang yi xue = Shanghai journal of stomatology  Sep 2002 
 - 237-9 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article 
<br/><br/><label>ISSN: </label>1006-7248