Freckles
http://purl.bioontology.org/ontology/OMIM/MTHU039142
C0016689
http://purl.bioontology.org/ontology/OMIM/611584
http://purl.bioontology.org/ontology/OMIM/618808
MTHU039142
T033
http://purl.bioontology.org/ontology/OMIM/MTHU000083