1. Kiang DJ, Kollander RE, Thomas T, Kennedy BJ: Upregulation of estrogen receptors by nonsteroidal antiestroger in human breast cancer. Cancer Res 49: 5312–5316, 1989
2. Allegra JC, Lippman ME, Thompson EB, Simon R, Barlock A, Green L, Huff KK, Do HMT, Aitken SC, Warren R: Estrogen receptor status: an important variable in predicting response to endocrine therapy in metastatic breast cancer. Eur J Cancer 16: 323–331, 1980
3. Allegra JC, Barlock A, Huff KK, Lippman ME: Changes in multiple or sequential estrogen receptor determinations in breast cancer. Cancer 45: 792–794, 1980
4. Waseda N, Kato Y, Imura H, Kurata M: Effects of tamoxifen on estrogen and progesterone receptors in human breast cancer. Cancer Res 41: 1984–1988, 1981
5. Marth C, Mayer I, Bock G, Gastl G, Huber C, Flener R, Daxenbichler G: Effects of human interferon alpha-2 and gamma on proliferation, estrogen receptor content, and sensitivity to anti-estrogens of cultured breast cancer cells. In: Dianzani F, Rosi GB (eds) Interferon System (Vol 24). Raven Press, New York, 1981, pp 367–371