• 1
    Hubay CA, Pearson OH, Marshall JS, et al: Adjuvant trial of stage II breast cancer: 48 month follow-up of a prospective randomized clinical trial. Breast Cancer Res Treat 1: 7782, 1981.
  • 2
    Clark OM, McGuire WL, Hubay CA, et al: Progesterone receptor as a prognostic factor in stage II breast cancer. N Engl J Med 309: 13431347, 1983.
  • 3
    Fisher B, Redmond C, Brown A, et al: Influence of tumor estrogen and progesterone receptor levels on the response to tamoxifen and chemotherapy in primary breast cancer. J Clin Oncol 1: 227241, 1983.
  • 4
    McGuire WL: Hormone receptors: Their role in predicting prognosis and response to endocrine therapy. Semin Oncol 5: 428433, 1978.
  • 5
    Cavalli F, Goldhirsch A, Jungi F, et al: Randomized trial of low- versus high-dose medroxyprogesterone acetate in the induction treatment of postmenopausal patients with advanced breast cancer. J Clin Oncol 2: 414419, 1984.
  • 6
    Gross GE, Clark CM, Chamness GC, et al: Multiple progesterone receptor assays in human breast cancer. Cancer Res 44: 836840, 1984.