Dean, Kathryn. Population health research : linking theory and methods / edited by Kathryn Dean. - London : Sage Publications , 1993. - vi,246p. : ills,figs,tables ; 23cm . This book simeltineously published from Thousand Oaks,New Delhi ISBN: 0803987528 UKP 15.99 Subjects--Index Terms: EPIDEMIOLOGY Dewey Class. No.: 614.4072 / DEA/P