Early effects of smoking on surface cytology of the oral mucosa. II. Cell changes in smokers.
D006801:Humans; D007642:Keratosis / Q000473:pathology*; D007972:Leukoplakia, Oral / Q000473:pathology; D009059:Mouth Diseases / Q000473:pathology*; D009061:Mouth Mucosa / Q000166:cytology*; D009062:Mouth Neoplasms / Q000473:pathology*; D012907:Smoking