title: Two cases of malignant progression of oral leukoplakia.
mesh_terms: D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D005260:Female; D005887:Gingival Neoplasms / Q000473:pathology*; D006801:Humans; D007972:Leukoplakia, Oral / Q000473:pathology*; D008297:Male; D008875:Middle Aged