PubMed · 2002 · 309 citations · 0 references
Public HealthCommunity HealthHealth SciencesClinical EpidemiologyEpidemiologic MethodsEpidemiologyCohort AnalysisCohort StudiesCross-sectional StudiesLongitudinal Population AnalysisLongitudinal ResearchStudy DesignCohort Study InvestigationLongitudinal Cohort AnalysisLongitudinal Cohort Studies