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Subjects
- Health Surveys[remove]83
- United States35
- Humans26
- Sanitation18
- Vital Statistics17
- Water Supply16
- Waste Management13
- Pregnancy in Adolescence -- prevention & control11
- Program Evaluation11
- Sewage11
- Insurance Coverage -- statistics & numerical data9
- Insurance, Health -- statistics & numerical data9
- Medically Uninsured -- statistics & numerical data8
- Socioeconomic Factors8
- Health Status7
- Forecasting6
- Massachusetts6
- Sexually Transmitted Diseases -- prevention & control6
- California5
- Censuses5