title: A study on plasma sex hormone levels in patients with breast cancer.
mesh_terms: D000328:Adult; D001943:Breast Neoplasms / Q000097:blood*; D004958:Estradiol / Q000097:blood; D004970:Estrone / Q000097:blood; D005260:Female; D012739:Gonadal Steroid Hormones / Q000097:blood*; D006801:Humans; D008875:Middle Aged; D013739:Testosterone / Q000097:blood
chemical_list: D012739:Gonadal Steroid Hormones; D004970:Estrone; D013739:Testosterone; D004958:Estradiol