_:vb50954811 . _:vb50954811 . _:vb50954811 . _:vb50954811 "url:https://www.ncbi.nlm.nih.gov/pubmed/25395492"^^ . _:vb50954811 . _:vb50954811 "An ovarian endodermal sinus tumor that is characterized by a glandular pattern on histology."^^ . _:vb50954811 .