Chemotherapy with or without radiation therapy in limited small-cell lung cancer. - Perry,M.; Eaton,W.; Propert,K.; Ware,J.; Zimmer,B.; Chahinian,P.; Skarin,A.; Carey,R.; Kreisman,H.; Faulkner,C.; Comis,R.; Green,M. (N Engl J Med, 1987)