Figure 1.

Receiver operator characteristic curves for breast cancer specific mortality by Oestrogen Receptor status in Eastern Cancer Registration and Information Centre and West Midlands Cancer Intelligence Unit cohorts. A) ER positive at five years, B) ER negative at five years, C) ER positive at eight years, D) ER negative at eight years. Solid line ECRIC data; dashed line WMCIU data.

Wishart et al. Breast Cancer Research 2010 12:R1   doi:10.1186/bcr2464
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