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. 1978 Sep;38(3):428-30.
doi: 10.1038/bjc.1978.224.

Measurement of oestradiol receptors by five institutions on common tissue samples

Free PMC article

Measurement of oestradiol receptors by five institutions on common tissue samples

R J King et al. Br J Cancer. 1978 Sep.
Free PMC article

Abstract

The soluble oestrogen-receptor content of common breast tumours has been measured by 5 different laboratories, each using their own assay procedure. Good agreement was achieved on whether a sample was positive or negative for oestrogen receptor. Qualitative differences between laboratories could be explained by differences in thiol-reagent content of assay medium and by the method of homogenization. Recommendations are made on some of the factors involved in the routine assay of receptors in breast tumours.

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References

    1. Br J Cancer. 1977 Sep;36(3):355-61 - PubMed
    1. Br J Cancer. 1978 Sep;38(3):431-6 - PubMed