Smokeless tobacco: the new thing to chew on.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D006801:Humans; D008297:Male; D008875:Middle Aged; D009059:Mouth Diseases / Q000209:etiology*; D009538:Nicotine / Q000009:adverse effects; D009602:Nitrosamines / Q000009:adverse effects; D014030:Tobacco, Smokeless
D009602:Nitrosamines; D009538:Nicotine