Disaster medicine Emergency management 27 Emergency medical services 21 Health aspects 9 Terrorism 9 Emergency medicine 5 Medical emergencies 5 more ... Standards 5 Radiation injuries 4 Civil defense 3 Disasters 3 Government policy 3 Integrated delivery of health care 3 Management 3 Planning 3 Biological warfare 2 Chemical agents (Munitions) 2 Chemical warfare 2 Data processing 2 Drug monitoring 2 Evaluation 2 Mass casualties 2 Medical records 2 Medical supplies 2 Nuclear warfare 2 Prevention 2 Public health 2 Rural health services 2 Utilization 2 Weapons of mass destruction 2 less ...