title: The significance of cytological examination of the pleural fluid in the diagnosis of pleural effusion in Nigerians.
mesh_terms: D006801:Humans; D007962:Leukocytes / Q000473:pathology; D008214:Lymphocytes / Q000473:pathology; D009369:Neoplasms / Q000150:complications; D010996:Pleural Effusion / Q000209:etiology* / Q000473:pathology; D011014:Pneumonia / Q000150:complications; D014376:Tuberculosis / Q000150:complications