Pleural effusions
http://purl.bioontology.org/ontology/OMIM/MTHU012482
C0032227
http://purl.bioontology.org/ontology/OMIM/617300
http://purl.bioontology.org/ontology/OMIM/235510
MTHU012482
T047
http://purl.bioontology.org/ontology/OMIM/MTHU000106