Rothman, Kenneth J.; Greenland, Sander ; Lash, Timothy L. Modern epidemiology/ - 3rd - Philadelphia: Wolters Kluwer, 2008 - ix;733p. PB ISBN: 9788184731125 Subjects--Topical Terms: EpidemiologyPublic healthResearch--MethodologyStatistical methods Dewey Class. No.: 614.4 ROT