_:vb50954701 "A mature teratoma of the ovary that resembles a malformed human fetus with the caudal portion being more developed."^^ . _:vb50954701 "url:https://www.ncbi.nlm.nih.gov/pubmed/28446797"^^ . _:vb50954701 . _:vb50954701 . _:vb50954701 . _:vb50954701 .