Frederick, Portia M <br/><br/>
The medical office assistant  administrative and clinical 

 - 4th ed. 
 - Philadelphia  W.B. Saunders  1974 
 - xi, 742 p.  Illustration 
<br/><br/><label>ISBN: </label>0721638627 
<br/><br/><label>Dewey Class. No.: </label>610.69  / F62