[Effusive chronic pericarditis of unkown etiology].
D000368:Aged; D002908:Chronic Disease; D005260:Female; D006801:Humans; D010490:Pericardial Effusion / Q000000981:diagnostic imaging / Q000209:etiology; D010493:Pericarditis / Q000209:etiology*; D011859:Radiography
Pericarditis crónica con derrame de etiología desconocida.