title: Should a cytologic study be ordered in transudative pleural effusions?
authors.forename: J M
authors.initials: JM
authors.lastname: Porcel
authors.forename: M
authors.initials: M
authors.lastname: Alvarez
authors.forename: A
authors.initials: A
authors.lastname: Salud
authors.forename: M
authors.initials: M
authors.lastname: Vives
mesh_terms: D000328:Adult; D000368:Aged; D005122:Exudates and Transudates / Q000166:cytology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D016066:Pleural Effusion, Malignant / Q000473:pathology*; D012189:Retrospective Studies