title: [Epidemiology of oral leukoplasia in tobacco industry workers in Havana].
mesh_terms: D000328:Adult; D000368:Aged; D003462:Cuba; D005260:Female; D006801:Humans; D007972:Leukoplakia, Oral / Q000453:epidemiology* / Q000209:etiology; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology / Q000209:etiology; D010947:Plants, Toxic; D011230:Precancerous Conditions / Q000453:epidemiology / Q000209:etiology; D012907:Smoking; D014026:Nicotiana
vernacular_title: Epidemiología de leucoplasia bucal en trabajadores de la industria tabacalera de la provincia Ciudad de la Habana.