Comment on

• Systemic treatment of early breast cancer by hormonal, cytotoxic, or immune therapy. 133 randomised trials involving 31,000 recurrences and 24,000 deaths among 75,000 women. Early Breast Cancer Trialists' Collaborative Group.

  [No authors listed] [No authors listed] Lancet. 1992 Jan 4;339(8784):1-15. Lancet. 1992. PMID: 1345950 Review.