Haematopoietic stem cell transplantation in children in eastern European countries 1985–2004: development, recent activity and role of the EBMT/ESH Outreach Programme. - Wachowiak, J.; Labopin, M.; Miano, M.; Chybicka, A.; Stary, J.; Sterba, J.; Masszi, T.; Labar, B.; Maschan, A.; Kowalczyk, J. R.; Lange, A.; Holowiecki, J.; et al. (Bone Marrow Transplantation, 2008)