Gerstman, B. Burt Epidemiology kept simple: an introduction to traditional and modrn epidemiology/ B. Burt Gerstman - 3rd ed. - Hoboken Wiley- Blackwell 2013 - xvi, 461p. ISBN: 1444336085 Subjects--Topical Terms: EpidemiologyEpidemiologic methods LC Class. No.: RA651 / .G47 2013 c.1