_:vb50954105 . _:vb50954105 . _:vb50954105 . _:vb50954105 "url:https://www.sciencedirect.com/science/article/pii/B9780702031311000353"^^ . _:vb50954105 . _:vb50954105 "A benign teratoma that is present in an adult."^^ . _:vb50954105 .