Abstrak :
This Is Book About What Is Epidemiology? The Nature And Scope Of A Biological, Social, And Ecological Science And Of Epidemiological Variables And Outcomes, The Epidemiological Concept Of Population, Variation In Disease By Time, Place, And Person: A Framework For Analysis, Variation: Role Of Error, Bias, And Confounding, Cause And Effect: The Epidemiological Approach, Natural History, Spectrum, Iceberg, Population Patterns, And Screening: Interrelated Concepts In The Epidemiology Of Disease, The Concept Of Risk And Measures Of Disease Frequency: Incidence And Prevalence, Presentation And Interpretation Of Epidemiological Data On Risk, Study Design, Theoretical, Ethical, Contextual, Practical, And Critical Foundations For Future Epidemiology.