References
- Ettinger DS, Finkelstein DM, Abeloff MD et al. A ran-domized comparison of standard chemotherapy versus alter-nating chemotherapy and maintenance versus no maintenance therapy for extensive-stage small-cell lung cancer. A phase II study of the Eastern Cooperative Oncology Group. J Clin Oncol 1990, 8: 230–240.
- Spiro SG, Souhami RL, Geddes DM. et al. Duration of chemotherapy in small cell lung cancer. A cancer research campaign trial. Br J Cancer 1989, 59: 578–583.
- Roth BJ, Johsnon DH, Einhorn LH. et al. Randomized study of cyclophosphamide, doxorubicin and vincristine versus etoposide and cisplatin versus alternation of these two regi-mens in extensive small-cell lung cancer. A phase III trial of the Southeastern Cancer Study Group. J Clin Oncol 1992, 10: 282–291.
- Armitage P, Berry G. Statistical methods in medical research. 2nd Ed. Blackwell Scientific Publications, London 1987, Chap. 14.
- World Health Organization. WHO Handbook for Reporting Results of Cancer Treatment Geneva WHO Offset Publication 1979, No 48.
- Cox DR. Regression models and life-tables. J R Stat Soc 1972; B 34: 187-220.
- Medical Council Research Lung Cancer Working Party. Controlled trial of twelve versus six courses of chemotherapy in the treatment of small-cell lung cancer. Br J Cancer 1989; 59: 584–590.
- Medical Research Council Lung Cancer Working Party. A randomized trial of three or six courses of etoposide, cyclophosphamide, methotrexate and vincristine or six courses of etoposide and ifosfamide in small cell lung cancer (SCLC) I: Survival and prognostic factors. Br J Cancer 1993; 68: 1150–1156.
- Giaccone G, Dalesio 0, McVie GJ, et al. Maintenance chemotherapy in small cell lung cancer: long-term results of a randomized trial. J Clin Oncol 1993; 11: 1230-1240.
- Slevin PM, Stead ML, Brown JM et al. A randomised trial of three versus six courses of etoposide, ifosfamide, mesna and vincristine in small cell lung cancer. For the Yorkshire Thoraxic Group Leeds, England. Lung Cancer 1997; 18 (Supp. I) #20 abstr.
- Shepherd FA, Amdemichael E, Evans WK et al. Treatment of small cell lung cancer in the elderly. J Am Geriatr Soc 1994; 42: 64–70.
- Medical Research Council Lung Cancer Working Party. Comparison of oral etoposide and standard intravenous mul-tidrug chemotherapy for small-cell lung cancer. A stopped multicenter trial. Lancet 1996; 348: 563–666.