title: Combination hormone therapy tied to slight increase in breast cancer deaths.
mesh_terms: D001943:Breast Neoplasms / Q000139:chemically induced* / Q000401:mortality*; D004338:Drug Combinations; D015914:Estrogen Replacement Therapy / Q000009:adverse effects* / Q000379:methods; D004966:Estrogens, Conjugated (USP) / Q000008:administration & dosage / Q000009:adverse effects*; D005260:Female; D006801:Humans; D017258:Medroxyprogesterone Acetate / Q000008:administration & dosage / Q000009:adverse effects*; D008875:Middle Aged; D016019:Survival Analysis; D014481:United States; D016387:Women's Health
chemical_list: D004338:Drug Combinations; D004966:Estrogens, Conjugated (USP); C466383:Prempro; D017258:Medroxyprogesterone Acetate