Takada M,Fukuoka M,Kawahara M,et al. Phase Ⅲ study of concurrent versus sequential thoracic radiotherapy in combination with cisplatin and etoposide for limited-stage small-cell lung cancer:results of the Japan Clinical Oncology Group Study 9104[J]. J Clin Oncol, 2002, 20(14) :3054-3060. DOI:10.1200/ JCO.2002.12.071.