Keeler, Emmett B., <br/><br/>
Effects of pooled samples / 
Emmett Keeler, Donald Berwick   
 - 15 pages ;  28 cm. 
 - The Rand paper series;  P-5528 .
 - The Rand paper series;  P-5528  .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medical screening.