Ryer,Jeanne C. <br/><br/>
Health Net 

 - 1st 
 - New York  Jhon Wiley and Sons,Inc.  1997 
<br/><br/><label>ISBN: </label>0-471-13769-3 
<br/><br/><label>Dewey Class. No.: </label>025.0661  / 8