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Japan
Questionnaires
Smoking
Life Style
Logistic Models
Odds Ratio
Mental Health
Cross-Sectional Studies
Health Care Costs
Cohort Studies
Age Factors
Retrospective Studies
Stress, Psychological
Regression Analysis
Causality
Health Expenditures
Risk Factors
Deductibles and Coinsurance
Case Control Studies
Insurance, Health
Co-Publications
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8
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6
5
3
2
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