Fistulas
http://purl.bioontology.org/ontology/OMIM/MTHU020590
C0016169
http://purl.bioontology.org/ontology/OMIM/266600
http://purl.bioontology.org/ontology/OMIM/618372
MTHU020590
T190
http://purl.bioontology.org/ontology/OMIM/MTHU000224