Adequacy of sample size in health studies / 
[edited by] Stanley Lemeshow...[et al.] 
 - England :  John Wiley & sons Ltd. ,  1990 
 - xii ,  239  p.  :  ill.  ;  25 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0471925179 
<br/><br/><label>LCCN: </label>89-22495 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public health--statistical methods
<br/><br/><label>National Library of Medicine Call No.: </label>WA20.5