Hall PD, Razzouk BI, Willoughby TE, McLean TW, Frankel AE. The majority of children and adolescents with acute myeloid leukemia have detectable anti-DT388-GMCSF IgG concentrations, but at concentrations that should not preclude in vivo activity. J Pediatr Hematol Oncol. 2002 Oct; 24(7):521-6.