_:vb50954757 . _:vb50954757 . _:vb50954757 "An ovarian carcinoma that has_material_basis_in abnormally proliferating cells and derives_from epithelial cells."^^ . _:vb50954757 "url:https://www.ncbi.nlm.nih.gov/pubmed/7185762"^^ . _:vb50954757 . _:vb50954757 . _:vb50954757 "url:https://onlinelibrary.wiley.com/doi/pdf/10.3322/canjclin.16.4.171"^^ . _:vb50954757 .