Baseline characteristics and survival outcomes of patients with tri-exposed multiple myeloma in a German registry

H Goldschmidt, M Merz, P Hari, M Agha, J Diels , F Ghilotti, B Haefliger, C Sakabedoyan, T Bacon, J Schecter, C Jackson, Y Olyslager, MJ Carrasco-Alfonso T Nesheiwat L Kellermann , S Jagannath