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B Content of Epidemiological Activity
Example of an Epidemiological Approach
A Development of Vital and Health Statistics
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age distribution age group Age-adjusted Age-specific death rates Amer areas association attack rates autopsy biological bladder bladder cancer Burkitt's lymphoma causes of death cells cent cerebrovascular disease characteristic cholesterol Chronic cigarette smoking clinical compared control group coronary heart disease death certificates dental caries determine Diabetes endemic typhus Epid epidemic epidemiological epidemiological studies estimate etiological etiological agent etiological factors evaluating example exposed exposure Figure frequency genetic herd immunity hospital immunity incidence rates increase incubation period infectious agent interview investigator leukemia Lilienfeld lung cancer lymphoma males malignant neoplasm measles methods morbidity mortality rates mortality statistics mortality trends non-smokers number of deaths Number of persons observed obtained occur patients physicians population groups prevalence prospective studies Public Health radiation ratio relationship relative risk reported retrospective studies sample selected Source sputum cytology Survey susceptible Table tion tuberculosis types United virus X-ray