Witt, E <br/><br/>
[Optimum time for orthodontic therapy].  [electronic resource] 

 -  Zahnarztliche Praxis  Nov 1969 
 - 255-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0044-1651 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orthodontics, Corrective