Developing countries World Health Organization Congenital abnormalities - epidemiology 2 Congenital abnormalities - prevention and control 2 Delivery of health care 2 Neural tube defects 2 Noncommunicable diseases 2 Practice guideline 2 Primary health care 2 Public health surveillance 2 health services - organization and administration 2 Air pollution, indoor 1 Annual reports 1 Centers for Disease Control and Prevention (U.S.) 1 Centers for Disease Control and prevention 1 Endemic diseases 1 Energy policy 1 Environmental health 1 International Clearinghouse for Birth Defects Monitoring System 1 International Clearinghouse for Birth Defects Monitoring Systems 1 Parasitic diseases 1 Poverty areas 1 Rehfuess, Eva 1 Socioeconomic factors 1 Tropical medicine trends 1 Wood fuels 1