title: Is the elevated breast cancer risk observed in the WHI study an artifact?
authors.forename: H
authors.initials: H
authors.lastname: Kuhl
mesh_terms: D016477:Artifacts; D001943:Breast Neoplasms / Q000139:chemically induced* / Q000453:epidemiology*; D015986:Confounding Factors, Epidemiologic; D015914:Estrogen Replacement Therapy / Q000009:adverse effects*; D005260:Female; D006801:Humans; D009316:National Institutes of Health (U.S.); D016032:Randomized Controlled Trials as Topic; D018570:Risk Assessment / Q000706:statistics & numerical data*; D012307:Risk Factors; D014481:United States / Q000453:epidemiology; D016387:Women's Health