title: When is the evidence for 'no association' sufficient?
mesh_terms: D001943:Breast Neoplasms / Q000139:chemically induced*; D004966:Estrogens, Conjugated (USP) / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008593:Menopause
chemical_list: D004966:Estrogens, Conjugated (USP)