Smokeless tobacco: a public health challenge.
D000293:Adolescent; D000328:Adult; D000329:Advertising; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D009062:Mouth Neoplasms / Q000209:etiology / Q000517:prevention & control; D011634:Public Health; D012907:Smoking; D014030:Tobacco, Smokeless; D014481:United States; D014922:Wisconsin