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Smoking Cessation
Smoking
Nicotine
Cotinine
Nicotinic Agonists
Antigens, CD44
Quinoxalines
Administration, Cutaneous
Double-Blind Method
Time Factors
Treatment Outcome
Biological Markers
Drug Dose Response Relationship
Cohort Studies
Risk Factors
Family Practice
London
Substance Withdrawal Syndrome
Tobacco Use Disorder
Chewing Gum
Co-Publications
13
8
6
4
3
2
1
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