Epidemiologic Methods Public Health 27 Investigative Techniques 25 Quality of Health Care 24 Environment and Public Health 23 Health Care 23 Health Care Evaluation Mechanisms 23 Health Care Quality, Access, and Evaluation 23 Diagnostic Techniques and Procedures 17 Medicine 17 Health & Biological Sciences 16 Statistics as Topic 16 Diseases 14 Probability 12 Risk 12 Epidemiologic Measurements 9 Epidemiology 9 Health Services Administration 9 Health Occupations 8 Organization and Administration 8 Clinical Medicine 7 Evidence-Based Medicine 7 Evidence-Based Practice 7 Risk Assessment 7 Risk Management 7 Causality 5 Epidemiologic Factors 5 Epidemiologic Studies 5 Evaluation Studies as Topic 5 Methods 5