Article Text
Causation
Review: use of hormone replacement therapy in the past 5 years is associated with an increased risk of breast cancer
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Footnotes
Source of funding: Imperial Cancer Research Fund.
For article reprint: Professor V Beral, Secretariat, ICRF Cancer Epidemiology Unit, Gibson Building, Radcliffe Infirmary, Oxford 0X2 6HE, UK. Fax +44 (0)1865 310545.
A modified version of this abstract appears in ACP Journal Club 1998 May–Jun.