title: The need for epidemiologic theory.
authors.affiliation: Department of Health and Social Behavior, Harvard School of Public Health, Boston, MA 02115, USA.
authors.forename: N
authors.initials: N
authors.lastname: Krieger
authors.forename: S
authors.initials: S
authors.lastname: Zierler
mesh_terms: D004812:Epidemiologic Methods; D004813:Epidemiology / Q000639:trends; D006801:Humans; D008403:Mass Screening; D008962:Models, Theoretical; D011634:Public Health / Q000639:trends; D012941:Social Responsibility