- Effects of adjuvant tamoxifen on the endometrium in postmenopausal women with breast cancer: a prospective long-term study using transvaginal ultrasound. Gerber, B., Krause, A., Müller, H., Reimer, T., Külz, T., Makovitzky, J., Kundt, G., Friese, K. J. Clin. Oncol. (2000)