In vitro test-system for chemo- and thermosensitivity: an analysis of survival fractions and cell-cycle distributions in human Ewing's sarcomas as a model for tumors in pediatric oncology. - Debes,A.; Rommel,F.; Breise,M.; Willers,R.; Göbel,U.; Wessalowski,R. (Klin Pädiatr, 2002)