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Subject
- Lung Diseases, Obstructive[remove]15
- Neoplasms[remove]15
- Smoking15
- Cardiovascular Diseases14
- Tobacco Use Disorder14
- Pregnancy9
- Gastrointestinal Diseases5
- Amblyopia3
- Occupational Exposure3
- Tobacco3
- Tobacco Smoke Pollution3
- Exercise2
- Morbidity2
- Mortality2
- Peptic Ulcer2
- Respiratory Hypersensitivity2
- Asbestos1
- Bronchitis1
- Coal Mining1
- Drug Interactions1