Premalignant lesions in the mouth.
D000367:Age Factors; D004919:Erythroplasia / Q000145:classification; D006801:Humans; D007972:Leukoplakia, Oral / Q000145:classification; D009059:Mouth Diseases / Q000145:classification; D009062:Mouth Neoplasms / Q000145:classification / Q000209:etiology / Q000473:pathology / Q000628:therapy; D011230:Precancerous Conditions / Q000145:classification / Q000209:etiology / Q000473:pathology / Q000628:therapy; D011379:Prognosis; D012306:Risk; D012907:Smoking / Q000150:complications; D009626:Terminology as Topic