a lymphoblast progenitor cell assay was used to evaluate the antileukemic efficacy of marrow-purging protocols that employed intact ricin immunotoxins ( it ) and 4-hydroperoxycyclophosphamide ( 4-hc ) against clonogenic primary t-lineage marrow blasts freshly obtained from 12 t-lineage acute lymphoblastic leukemia ( all ) patients .
C0229613
progenitor cell assay
C1961099
t