Covington, Ethel,  1897- <br/><br/>
The efficient dental assistant. 

 - 2d ed. 
 - St. Louis,  Mosby,  1948. 
 - 285 p.  20 cm. 
<br/><br/>Bibliography: p. 277-278. 
<br/><br/><label>LCCN: </label>med48000058  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dentistry--Practice.
<br/><br/><label>LC Class. No.: </label>RK60  / .C63 1948 
<br/><br/><label>Dewey Class. No.: </label>617.6069