Atapattu, P.Wijesiriwardena, B.2013-11-272013-11-272005Journal of the Ceylon College of Physicians, 38(1):p.32-43https://dl.nsf.gov.lk/handle/1/10121Medical SciencesPleural effusionRespiratory diseasesCongestive cardiac failurePneumoniaTuberculosisMetastatic malignancyCirrhosisViral diseaseDiagnosisAetiologyPleural effusion. a diagnostic approachA