1. Tumor Marker Expert Panel of the American Society of Clinical Oncology: Clinical practice guidelines for the use of tumor markers in breast and colorectal cancer. J Clin Oncol 14: 2843-2877, 1996
2. Scholl S, Lippman ME: Methods and clinical use of receptor assay. In: Bonadonna G (ed) Breast Cancer: Diagnosis and Management. John Wiley &; Sons, London, 1984, pp 75-108
3. Wang W, Smith R, Burghardt R, Safe SH: 17beta estradiolmediated growth inhibition of MDA-MB-468 cells stably Estrogen receptors and relapse patterns 117 transfected with the estrogen receptor: cell cycle effects. Mol Cell Endocrinol 133: 49-62, 1997
4. Sheikh MA, Garcia M, Pujol P, Fontana JA, Rochefort H:Why are estrogen-receptor-negative breast cancers more aggressive than the estrogen-receptor-positive breast cancers? Invas Metast 14: 329-336, 1995
5. Martin KJ, Kritzman BM, Price LM, Koh B, Kwan C-P, Zhang X, Mackay A, O'Hare MJ, Kaelin CM, Mutter GL, Pardee AB, Sager R: Linking gene expression patterns to therapeutic groups in breast cancer. Cancer Res 60: 2232-2238, 2000