title: Analytic epidemiology and periodontal diseases.
authors: Brenda
authors: B
authors: Heaton
authors: Thomas
authors: T
authors: Dietrich
mesh_terms: D015982:Bias; D015984:Causality; D015986:Confounding Factors, Epidemiologic; D015340:Epidemiologic Research Design; D016021:Epidemiologic Studies; D006801:Humans; D010510:Periodontal Diseases / Q000453:epidemiology*; D015203:Reproducibility of Results; D015983:Selection Bias