[Diagnosis of oral neoplasms--precancerous lesions (leukoplakia) and early neoplastic morphological changes].
D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D006801:Humans; D007972:Leukoplakia, Oral / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D009062:Mouth Neoplasms / Q000473:pathology*; D011230:Precancerous Conditions / Q000473:pathology*