Health & Biological Sciences 53 Diseases 48 Medicine 44 Diagnostic Techniques and Procedures 30 Evidence-Based Medicine 29 Health Care 24 Investigative Techniques 22 Health Care Quality, Access, and Evaluation 21 Health Occupations 20 Quality of Health Care 20 Clinical Medicine 19 Evidence-Based Practice 19 Health Care Evaluation Mechanisms 19 Diagnosis 18 Neoplasms 16 Environment and Public Health 14 Epidemiologic Methods 14 Public Health 14 Treatment 14 Evaluation Studies as Topic 12 methods 11 Therapeutics 10 Cancer 9 Evidence-based medicine 9 Oncology 9 Pathological Conditions, Signs and Symptoms 9 Statistics as Topic 9 Health Services Administration 8 Probability 8 Respiratory Tract Diseases 8