Most smokeless tobacco use does not cause cigarette smoking: Results from the 2000 National Household Survey on Drug Abuse

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Nicotine Dependence in the United States

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Public Health, Health Sciences, Addiction Psychiatry +14

Statistics with Confidence (2nd ed.)

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Evidence That Smokeless Tobacco Use Is a Gateway for Smoking Initiation in Young Adult Males

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Public Health, Behavioral Sciences, Health Behavior +14

Is use of smokeless tobacco a risk factor for cigarette smoking? The U.S. experience

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Public Health, Health Promotion, Preventive Medicine +14