Medicine & Life Sciences
Smokeless Tobacco
100%
Nicotine
74%
Tobacco
35%
Bibliographies
17%
Biological Transport
12%
Subject Headings
12%
Tobacco Use Cessation Devices
10%
San Francisco
9%
Databases
9%
Gingiva
8%
Mouth Mucosa
8%
Centers for Disease Control and Prevention (U.S.)
7%
Smoke
7%
Information Storage and Retrieval
6%
Observational Studies
5%
Communication
5%
Smoking
5%
Animal Models
5%
Pharmacology
5%
Membranes
4%
Skin
4%
Animals
3%
Health
3%
In Vitro Techniques
3%
Pharmaceutical Preparations
3%
Therapeutics
1%
Social Sciences
nicotine
71%
determinants
53%
evidence
31%
bibliography
8%
animal
6%
pharmacology
5%
smoking
3%
addiction
3%
manipulation
3%
corporation
3%
communications
3%
drug
2%
expert
2%
health
1%