Changing times  [electronic resource] 

 -  American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics  Jul 2000 
 - 16A p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1097-6752 
<br/><br/><label>Standard No.: </label>10.1067/mod.2000.108787  doi