TY  - BOOK
AU  - Sullivan kevin M., Barker Nancy 
TI  - ActivEpi companion textbook : a supplement for use with ActivEpi CD-ROM / David G. Kleinbaum, Kevin M. Sullivan and Nancy D. Barker
SN  - 9780387955742
AV  - RA651.K545 2003 
KW  - Epidemiology
N1  - Includes bibliographical references and index
ER  -