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- Smoking -- Physiological effect[remove]46
- Editorials4
- Passive smoking4
- From the editors3
- Heart -- Diseases3
- What's up with that?3
- Cardiovascular system -- Diseases2
- Lung -- Cancer2
- Lung -- Cancer -- Research2
- Lungs -- Cancer2
- Lungs -- Diseases2
- North Dakota2
- Prescod, Stephen2
- Smokers -- Health and hygiene2
- Smoking -- Psychological aspects2
- Smoking cessation2
- White, Ellen G.,2
- World health2
- Air pollution1
- Amputation1