Chan, G K <br/><br/>
Begg stage 3--a suggestion.  [electronic resource] 

 -  Journal of clinical orthodontics : JCO  Sep 1972 
 - 524 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-3875 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orthodontics, Corrective