Sun, Yan <br/><br/>
[A study on the extraoral cervical traction in the treatment of skeletal Class II division 1 malocclusion in mixed dentition].  [electronic resource] 

 -  Shanghai kou qiang yi xue = Shanghai journal of stomatology  Jun 2005 
 - 243-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1006-7248 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dentition, Mixed<br/>Extraoral Traction Appliances<br/>Humans<br/>Malocclusion, Angle Class II--therapy<br/>Maxilla--growth & development<br/>Traction--methods