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Subjects
- United States3
- California2
- Health Services Accessibility -- statistics & numerical data1
- Health Status1
- Housing1
- Los Angeles1
- Marijuana Smoking -- trends1
- Pulmonary Disease, Chronic Obstructive -- epidemiology1
- Smoke-Free Policy1
- Tobacco Smoke Pollution -- prevention & control1
- Tobacco Use -- trends1
- Young Adult1
