title: Timing of hormone therapy influences breast cancer risk.
mesh_terms: D001943:Breast Neoplasms / Q000139:chemically induced* / Q000453:epidemiology* / Q000517:prevention & control; D004334:Drug Administration Schedule; D015914:Estrogen Replacement Therapy / Q000009:adverse effects* / Q000706:statistics & numerical data; D004967:Estrogens / Q000009:adverse effects; D005260:Female; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008875:Middle Aged; D017698:Postmenopause; D045167:Progesterone Congeners / Q000009:adverse effects; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D012189:Retrospective Studies; D018570:Risk Assessment; D013997:Time Factors; D014481:United States / Q000453:epidemiology; D016387:Women's Health
chemical_list: D004967:Estrogens; D045167:Progesterone Congeners