Schlesselman, James J. <br/><br/>
Case-control studies :  design, conduct, analysis / 
James J. Schlesselman, with contributions by Paul D. Stolley. 
 - New York :  Oxford University Press,  1982. 
 - xv, 354 p. :  ill. ;  24 cm. 
 - Monographs in epidemiology and biostatistics .