we report the prognostic significance of the pre-b-cell immunophenotype and other presenting features , including blast cell karyotype , in a randomized clinical trial conducted from 1981 to 1986 for children with early pre-b ( n = 685 ) or pre-b ( n = 222 ) acute lymphoblastic leukemia ( all ) .
C1292769
pre-b
C0023449
acute lymphoblastic leukemia