. _:vb50940694 . _:vb50940694 . "A primary polycythemia characterized by autosomal dominant inheritance that has_material_basis_in heterozygous mutation in the EPO gene on chromosome 7q21."^^ . "DOID:0080290"^^ . . "familial erythrocytosis 5"@en . _:vb50940694 . "OMIM:617907"^^ . "ECYT5"@en . _:vb50940694 . . . _:vb50940694 . "disease_ontology"^^ .