Topic: AS04-MDS Biology and Pathogenesis/AS04i-Microenvironment and stem cell niche: BONE MARROW DERIVED STROMAL CELLS FROM MYELODYSPLASTIC SYNDROMES ARE ALTERED BUT NOT CLONALLY MUTATED IN VIVO. (September 2021) - Jann, J.-C.; Mossner, M.; Flach, J.; Altrock, E.; Schmitt, N.; Ryabov, V.; Xu, Q.; Nowak, V.; Obländer, J.; Palme, I.; Weimer, N.; Streuer, A.; et al.