Effects of cost sharing on physiological health, health practices, and worry / 
Emmett B. Keeler ... [et al.] ; prepared for the U.S. Department of Health and Human Services. 
 - California :  Rand Corporation,  1987. 
 - 28 p. ;  28 cm. 
 - A Rand note ;  N-2699-HHS .
 - Rand note ;  N-2699-HHS. .
<br/><br/>Includes bibliographical references (p.27-28) 
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Health behavior--Economic aspects--United States