A randomized trial of treatment for multisystem Langerhans' cell histiocytosis. - Gadner,H.; Grois,N.; Arico,M.; Broadbent,V.; Ceci,A.; Jakobson,A.; Komp,D.; Michaeli,J.; Nicholson,S.; Poetschger,U.; Pritchard,J.; Ladisch,S. (J Pediat, 2001)