title: False-positive results of carcinoembryonic antigen in pleural effusions.
authors.forename: V
authors.initials: V
authors.lastname: Villena
authors.forename: A
authors.initials: A
authors.lastname: López Encuentra
authors.forename: F P
authors.initials: FP
authors.lastname: Rodríguez
mesh_terms: D002272:Carcinoembryonic Antigen / Q000032:analysis*; D005189:False Positive Reactions; D006801:Humans; D010996:Pleural Effusion / Q000276:immunology*; D012680:Sensitivity and Specificity
chemical_list: D002272:Carcinoembryonic Antigen