Castle, Winifred Mary <br/><br/>
Statistics in operation / 
Winifred M. Castle 
 - Edinburgh :  Churchill Livingstone,  1979 
 - 100 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 96. 
<br/><br/><label>ISBN: </label>0443019517 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medical statistics<br/>Statistics