P468: MRD AS A BIOMARKER FOR RESPONSE TO DONOR LYMPHOCYTE INFUSION AFTER AL-LOGENEIC HEMATOPOIETIC CELL TRANSPLANTATION IN PATIENTS WITH ACUTE MYELOID LEUKEMIA. (23rd June 2022) - Teich, K.; Stadler, M.; Gabdoulline, R.; Wienecke, C.; Heida, B.; Klement, P.; Büttner, K.; Venturini, L.; Wichmann, M.; Puppe, W.; Schultze-Florey, C.; Beutel, G.; et al.