[The diagnostic usefulness of cholinesterase in pleural exudates].


BACKGROUND AND OBJECTIVES The pleural fluid/serum cholinesterase ratio (PF/S) is the most efficient parameter to differentiate transudates from exudates. The objective of this study was to evaluate whether its determination might yield additional diagnostic information in pleural exudates. MATERIALS AND METHODS A total of 167 patients with the diagnosis… (More)


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