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Subjects
- Abstracting and Indexing as Topic1
- Abstracting and Indexing as Topic -- history1
- Cardiovascular Diseases1
- Drug Interactions1
- Gastrointestinal Diseases1
- Lung Diseases, Obstructive1
- MEDLARS1
- Medicine1
- Morbidity1
- Mortality1
- Neoplasms1
- Occupational Exposure1
- Pregnancy1
- Pregnancy Complications1
- Smoke Inhalation Injury1
- Smoking1
- Smoking Cessation1
- Tobacco1
- Tobacco Use Disorder1
- United States1