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Subject
- Public health84
- Epidemiology30
- Medical care19
- Health services administration17
- Medicine15
- Social status14
- Medical sciences11
- Education8
- Vietnam War, 1961-19758
- Educational attainment7
- Medical care--Cost effectiveness6
- Industrial safety5
- Mortality--Social aspects5
- South Asians5
- Early childhood education4
- Economics4
- Education--Cost effectiveness4
- Herbicides--War use4
- Immigrants--Health and hygiene4
- Income distribution--Health aspects4