Randomized comparison of low-dose involved-field radiotherapy and no radiotherapy for children with Hodgkin's disease who achieve a complete response to chemotherapy. - Nachman,J.B.; Sposto,R.; Herzog,P.; Gilchrist,G.S.; Wolden,S.L.; Thomson,J.; Kadin,M.E.; Pattengale,P.; Davis,P.C.; Hutchinson,R.J.; White,K. (J Clin Oncol, 2002)