Stewart, Anita L, <br/><br/>
A study of the reliability, validity, and precision of scales to measure chronic functional limitations due to poor health / 
Anita L. Stewart, John E. Ware, Jr., and Robert H. Brook   
 - 40 pages ;  28 cm. 
 - The Rand paper series ;  P-5660 .
 - Rand paper series ;  P-5660  .
<br/><br/>Includes bibliographical references (pages 22-24)    
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medical care--Evaluation  --United States<br/>Chronically ill--Care