Oestrogen receptor: a stable phenotype in breast cancer.
Oestrogen receptor (ER) expression in breast cancer is regarded as a phenotype that may change during the natural history of the disease or during endocrine therapy. It has been suggested that in up to 70% of tumours that show acquired resistance the mechanism may be changed in ER status from positi...
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| Format: | Online |
| Language: | English |
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Nature Publishing Group
1996
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| Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2074280/ |