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Sweden
Denmark
Socioeconomic Factors
Social Class
Risk Factors
Cross-Sectional Studies
Health Status
Sick Leave
Registries
Educational Status
Cohort Studies
Longitudinal Studies
Stress, Psychological
Income
Logistic Models
Questionnaires
Employment
Myocardial Infarction
Occupational Diseases
Unemployment
Co-Publications
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14
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7
6
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4
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