Colorblindness
http://purl.bioontology.org/ontology/OMIM/MTHU023012
C0242225
http://purl.bioontology.org/ontology/OMIM/161700
http://purl.bioontology.org/ontology/OMIM/262300
MTHU023012
T047
http://purl.bioontology.org/ontology/OMIM/MTHU000020