Fleiss Joseph L <br/><br/>
Statistical methods for rates and proportions 

 -  1973 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>20663 
<br/><br/><label>Source: </label> Annuals, Advances 
<br/><br/><label>Dewey Class. No.: </label>B2813, L3