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Re: "alternative data sources and discrepant results in case-control studies of estrogens and endometrial cancer"
American Journal of Epidemiology
|April 1, 1981
Abstract
No abstract available in PubMed .
Keywords:
BiologyCancerContraceptionContraceptive AgentsContraceptive Agents, EstrogenContraceptive Agents, FemaleData CollectionDiseasesEndocrine SystemEndometrial CancerError SourcesEstrogenic Substances, ConjugatedEstrogensFamily PlanningHormonesMeasurementNeoplasmsPhysiologyResearch MethodologySurvey Methodology