Preliminary Results of the Multicenter Trial GPOH-HD 95 for the Treatment of Hodgkin’s Disease in Children and Adolescents: Analysis and Outlook - Dörffel, W; Lüders, H; Rühl, U; Albrecht, M; Marciniak, H; Parwaresch, R; Pötter, R; Schellong, G; Schwarze, E -W; Wickmann, L (Klinische Pädiatrie, 2003)