World Health Organization 5 Centers for Disease Control and Prevention (U.S.) 2 Congenital abnormalities - epidemiology 2 Congenital abnormalities - prevention and control 2 Developing countries 2 International Clearinghouse for Birth Defects Monitoring Systems 2 Nepal 2 Neural tube defects 2 Public health surveillance 2 Alcohol 1 Analysis of variance 1 Arsenic poisoning-diagnosis 1 Arsenic-toxicity 1 Atlases 1 Behavioral surveillance 1 Case management 1 Centers for Disease Control and prevention 1 Clinical protocols 1 Congenital abnormalities 1 Cost of illness 1 Data interpretation, statistical 1 Diaability evaluation 1 Diagnosis differential 1 Diet 1 Endemic Diseases 1 Epidemiologic Surveillance 1 Epidemiological Surveillance 1 Epidemiological surveillance 1 Epidemiological surveillance of human and animal brucellosis in milk collection area of dairy development corporation, Nepal 1 Ethics 1