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REFERENCES

  • 1
    Hwang ES, Lichtensztajn DY, Gomez SL, Fowble B, Clarke CA. Survival after lumpectomy and mastectomy for early stage invasive breast cancer: the effect of age and hormone receptor status. Cancer. 2013;119:1402-1411.
  • 2
    Louwman WJ, Janssen-Heijnen ML, Houterman S, et al. Less extensive treatment and inferior prognosis for breast cancer patient with comorbidity: a population-based study. Eur J Cancer. 2005;41:779-785.
  • 3
    Hutchins LF, Unger JM, Crowley JJ, Coltman CA Jr, Albain KS. Under representation of patients 65 years of age or older in cancer-treatment trials. N Engl J Med 1999;341:2061-2067.
  • 4
    Vandenbroucke JP. When are observational studies as credible as randomised trials? Lancet. 1004;363:1728-1731.
  • 5
    Clarke M, Collins R, Darby S, et al. Effects of radiotherapy and of differences in the extent of surgery for early breast cancer on local recurrence and 15-year survival: an overview of the randomised trials. Lancet. 2005;366:2087-2106.