Levy, Paul <br/><br/>
Sampling for health professionals / 
Paul Levy 
 - California :  Wadsworth,  1980 
 - xv, 320 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographies and  index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Health surveys--Statistical methods<br/>Sampling (Statistics)