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Subject
- Cardiovascular Diseases2
- Exercise[remove]2
- Gastrointestinal Diseases2
- Lung Diseases, Obstructive2
- Neoplasms2
- Pregnancy[remove]2
- Smoking2
- Tobacco Use Disorder[remove]2
- Amblyopia1
- Respiratory Hypersensitivity1
- Tobacco Smoke Pollution1