Epidemiology

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1. Epidemiology definition & uses PDF 
2. Basic concepts  PDF
3. Measures of occurrence PDF
4. Measures of Association PDF
5. Descriptive epi  PDF
6. Natural history PDF
7. Surveys  PDF
8. Case-control studies PDF
9. Cohort studies  PDF
10. Intervention studies  PDF
11. Outbreak investigation  PDF
12. Surveillance  PDF
13. Bias  PDF
14. Measurement error PDF
15. Hill’s Criteria of causation PDF

Research Methodology

1. Research Methodology Introduction PDF
2. Selecting a research question PDF
3. Writing a Study Protocol PDF
4. Ethical Issues in Research PDF
5. Sample Selection Methods PDF
6. Data Collection Methods I PDF
7. Data Collection Methods II PDF
8. Field Organization PDF
9. Scientific reporting PDF

Biostatistics

1.  Definition and uses PDF
2. Observations and Variables PDF
3. Variable types PDF
4. Summerizing categorical data PDF
5. Summerizing numeric PDF
6. Probability  PDF
7. Measures of location PDF
8. Normal Distribution  PDF
9. Confidence Interval  PDF
10. Significance test of a mean  PDF
11. Comparison of 2 means, paired  PDF
12. Comparison of 2 means, unpaired PDF
13. Comparison of two proportions  PDF
14. Association between categorical PDF
15. Correlation PDF

Microbiology

• Lectures in Medical Microbiology  PDF