Probability Risk 13 Statistics as Topic 13 Environment and Public Health 12 Epidemiologic Methods 12 Health Care 12 Health Care Evaluation Mechanisms 12 Health Care Quality, Access, and Evaluation 12 Investigative Techniques 12 Public Health 12 Quality of Health Care 12 Causality 10 Diagnostic Techniques and Procedures 9 Diseases 9 Health & Biological Sciences 8 Health Services Administration 8 Medicine 8 Risk Management 8 Epidemiologic Measurements 7 Organization and Administration 7 Risk Assessment 7 Analogy 5 Epidemiologic Factors 5 Explanation 5 Risk Factors 5 Clinical Medicine 4 Consciousness 4 Evidence-Based Medicine 4 Evidence-Based Practice 4 Feeling 4