title: [Unknown is unrecognized].
mesh_terms: D000328:Adult; D002305:Cardiac Tamponade / Q000175:diagnosis* / Q000209:etiology; D003937:Diagnosis, Differential; D006801:Humans; D007938:Leukemia / Q000175:diagnosis*; D008297:Male; D010493:Pericarditis / Q000150:complications; D010998:Pleurisy / Q000150:complications
vernacular_title: Onbekend maakt onherkend.