Conductive hearing impairment
http://purl.bioontology.org/ontology/OMIM/MTHU070844
C0018777
http://purl.bioontology.org/ontology/OMIM/618774
http://purl.bioontology.org/ontology/OMIM/603467
MTHU070844
T047
http://purl.bioontology.org/ontology/OMIM/MTHU000052