_:vb50953841 . _:vb50953841 . _:vb50953841 "A malignant ovarian germ cell neoplasm that has_material_basis_in primitive germ cells."^^ . _:vb50953841 "url:https://www.ncbi.nlm.nih.gov/pubmed/24576031"^^ . _:vb50953841 . _:vb50953841 . _:vb50953841 .