Focan, C., A. Baudoux, M. Beauduin, U. Bunescu, N. Dehasque, L. Dewasch, J. P. Lobelle, et al. 1989. “Adjuvant Treatment With High Dose Medroxyprogesterone Acetate in Node-Negative Early Breast Cancer A 3-Year Interim Report on a Randomized Trial (I)”. Acta Oncologica 28 (2):237-40. https://doi.org/10.3109/02841868909111254.