_:vb50954838 . _:vb50954838 . _:vb50954838 . _:vb50954838 . _:vb50954838 . _:vb50954838 "An ovarian cancer that is characterized by low beta-hCG levels and is has_material_basis_in glandular and fibrous tissues, with a relatively large proportion of glands."^^ . _:vb50954838 "url:https://www.ncbi.nlm.nih.gov/pubmed/6692303"^^ .