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Subjects
- Amblyopia3
- Asbestos1
- Bronchitis1
- Cardiovascular Diseases14
- Coal Mining1
- Community Health Services2
- Drug Interactions1
- Exercise2
- Gastrointestinal Diseases5
- Lung Diseases, Obstructive[remove]18
- Morbidity3
- Mortality3
- Mouth Diseases1
- Neoplasms15
- Nicotine1
- Occupational Exposure3
- Peptic Ulcer2
- Pharmacology1
- Pregnancy9
- Pregnancy Complications1