_:vb50945445 . _:vb50945445 "A 46 XY sex reversal characterized by an XY karyotype, phenotypically female genitalia and failure to develop secondary sexual characteristics at puberty including menstruation that has_material_basis_in homozygous or compound heterozygous mutation in CBX2 on chromosome 17q25.3."^^ . _:vb50945445 . _:vb50945445 . _:vb50945445 "url:https://www.ncbi.nlm.nih.gov/pubmed/1956279"^^ . _:vb50945445 . _:vb50945445 "url:https://www.ncbi.nlm.nih.gov/pubmed/19361780"^^ . _:vb50945445 .