_:vb50955109 . _:vb50955109 . _:vb50955109 . _:vb50955109 . _:vb50955109 "url:https://www.ncbi.nlm.nih.gov/pubmed/3983017"^^ . _:vb50955109 "An immature teratoma of overy that presents in childhood."^^ . _:vb50955109 .