Effect of thoracic radiotherapy on mortality in limited small cell lung cancer. A meta-analysis of 13 randomized trials among 2,140 patients

R. Arriagada, J. P. Pignon, D. C. Ihde, D. H. Johnson, M. C. Perry, R. L. Souhami, O. Brodin, R. A. Joss, M. S. Kies, B. Lebeau, T. Onoshi, K. Osterlind, M. H N Tattersall, H. Wagner