Lewis, R A <br/><br/>
The chicken or the egg?  [electronic resource] 

 -  Harbor dental log  Mar 1970 
 - 5-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dental Assistants--supply & distribution<br/>Economics, Dental