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Poland
United States
Europe, Eastern
Cardiovascular Diseases
Cerebrovascular Disorders
Myocardial Infarction
Blood Pressure
Ventricular Pressure
Sex Factors
Urban Health
Rural Health
Age Factors
Risk Factors
Records
Epidemiologic Methods
International Cooperation
Vital Statistics
Death Certificates
Monophenol Monooxygenase
Circulating Neoplastic Cells
Co-Publications
3
2
1
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