Smokeless tobacco.
Southard
Carol
C
D015975:Consensus Development Conferences, NIH as Topic; D019317:Evidence-Based Medicine; D005378:Financial Support; D006801:Humans; D040242:Risk Reduction Behavior; D012449:Safety; D019460:Tobacco Industry; D020340:Tobacco Use Cessation / Q000379:methods*; D014030:Tobacco, Smokeless / Q000009:adverse effects*; D014481:United States