TY - RPRT TI - B precursor acute lymphoblastic leukemia third complementarity-determining regions predominantly represent an unbiased recombination repertoire: leukemic transformation frequently occurs in fetal life. AU - E J Steenbergen AU - O J Verhagen AU - E F van Leeuwen AU - H Behrendt AU - P A Merle AU - M R Wester AU - A E von dem Borne AU - C E van der Schoot PY - 1994 DO - 10.1002/eji.1830240418 UR - https://pubmed.ncbi.nlm.nih.gov/8149961/ ID - 8149961 ER -