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2. Methods for ligand-receptor assays in clinical chemistry;Smith;Clin Chem,1980
3. Establishment of uniformity in steroid receptor determinations used in clinical studies and drug screening programs;Wittliff,1980
4. Investigation of estrogen-receptor protein in human mammary carcinoma for the establishment of a routine clinical assay;Jacobson;Can J Med Tech,1981
5. Evaluation of estrogen receptor assays in human breast cancer tissue;McGuire;Cancer Res,1977