P1325: ACCURACY OF CRYOTUBE METHOD TO ASSESS PRETHAWING RICHNESS OF CRYOPRESERVED CD34+ HEMATOPOIETIC STEM CELLS FOR AUTOLOGOUS TRANSPLANTATION. (23rd June 2022) - Belloumi, D.; Ben Yaiche, I.; Fekih, J.; Ghorbel, A.; Torjemane, L.; Chaabane, M.; Mekni, S.; Ben Abdeljelil, N.; Turki, I.; Ladeb, S.; Hmida, S.; Ben Othman, T.