TY - JOUR T1 - The effect of medroxyprogesterone acetate and norethisterone on the estradiol stimulated proliferation in MCF-7 cells: comparison of continuous combined versus sequential combined estradiol/progestin treatment A1 - Lippert,C. A1 - Seeger,H. A1 - Wallwiener,D. A1 - Mueck,O.,A. JO - European Journal of Gynaecological Oncology VL - 22 IS - 5 SP - 331 EP - 335 SN - 2709-0086 Y1 - 2001 ER -