Occurrence of acute nonlymphoblastic leukemia in two girls after treatment of recurrent, disseminated Langerhans cell histiocytosis. - Kager,L.; Heise,A.; Minkov,M.; Mobius,D.; Kotte,W.; Schulte-Overberg,U.; Henze,G.; Gadner,H. (Pediatr Hematol Oncol., 1999)