_:vb50954660 . _:vb50954660 "url:https://www.tandfonline.com/doi/abs/10.1586/eog.10.80"^^ . _:vb50954660 . _:vb50954660 . _:vb50954660 . _:vb50954660 "An ovarian germ cell teratoma that is composed of tissues that originate from two or three of the following germ layers, endoderm, ectoderm, or mesoderm."^^ . _:vb50954660 .