THE 1956 SURVEY of dental practice.  IV.  Professional expenses; auxiliary personnel.  [electronic resource] 

 -  Journal of the American Dental Association (1939)  Feb 1957 
 - 284-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-8177 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data Collection<br/>Economics, Dental<br/>Humans