[Nicotinic Leukokeratosis].
D000368:Aged; D006801:Humans; D007971:Leukoplakia / Q000209:etiology*; D008297:Male; D009059:Mouth Diseases / Q000209:etiology*; D009061:Mouth Mucosa; D009538:Nicotine; D012907:Smoking
D009538:Nicotine
Die Leukokeratosis nicotinica.