Epidemiological research and its impact on health and medical care.
D000293:Adolescent; D001766:Blindness / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D002771:Cholera / Q000453:epidemiology; D003153:Community Health Services; D003753:Dental Health Surveys; D003920:Diabetes Mellitus / Q000453:epidemiology; D004813:Epidemiology; D005260:Female; D005368:Filariasis / Q000453:epidemiology; D006285:Health Planning; D006725:Hookworm Infections / Q000453:epidemiology; D006801:Humans; D007194:India; D007918:Leprosy / Q000453:epidemiology; D008297:Male; D008887:Military Medicine; D009107:Mumps / Q000517:prevention & control; D009748:Nutrition Disorders / Q000453:epidemiology; D010930:Plague / Q000453:epidemiology; D012189:Retrospective Studies; D012423:Rural Health; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology; D014611:Vaccination; D014881:Water Supply