Role of Survivin Splice Variants in Pediatric Acute Precursor B Lymphoblastic Leukemia - Tröger, A; Siepermann, M; Mahotka, C; Wethkamp, N; Bülle, H; Laws, H -J; Escherich, G; Janka-Schaub, G; Göbel, U; Dilloo, D (Klinische Pädiatrie, 2007)