title: 15-keto-13,14-dihydroprostaglandin E2 concentrations in serum of patients with breast cancer.
mesh_terms: D001941:Breast Diseases / Q000097:blood; D001943:Breast Neoplasms / Q000097:blood*; D005260:Female; D006801:Humans; D009362:Neoplasm Metastasis; D011458:Prostaglandins E / Q000097:blood*
chemical_list: D011458:Prostaglandins E