title: [Pleural effusions: a diagnostic problem].
authors.forename: A
authors.initials: A
authors.lastname: Marín Pérez
mesh_terms: D006801:Humans; D007770:L-Lactate Dehydrogenase / Q000032:analysis; D009369:Neoplasms / Q000150:complications; D010996:Pleural Effusion / Q000209:etiology* / Q000378:metabolism; D011014:Pneumonia / Q000150:complications; D011506:Proteins / Q000032:analysis; D014397:Tuberculosis, Pulmonary / Q000150:complications
chemical_list: D011506:Proteins; D007770:L-Lactate Dehydrogenase
vernacular_title: Derrames pleurales: un problema diagnóstico.