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Finland
London
Socioeconomic Factors
Social Class
Health Status
Mortality
Causes of Death
Educational Status
Registries
Risk Factors
Income
Sex Factors
Cross-Sectional Studies
Age Distribution
Prospective Studies
Logistic Models
Sex Distribution
Employment
Questionnaires
Health Behavior
Co-Publications
50
35
29
23
16
10
9
8
7
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