Melflufen plus dexamethasone (dex) in patients (pts) with relapsed/refractory multiple myeloma (RRMM) exposed/refractory to prior alkylators: A pooled analysis of the O-12-M1 and HORIZON studies. - Rodriguez-Otero, Paula; Mateos, Maria-Victoria; Oriol, Albert; Larocca, Alessandra; Blade, Joan; Cavo, Michele; Leleu, Xavier; Nadeem, Omar; Hiemenz, John W; Hiemenz, John W; Hassoun, Hani; Touzeau, Cyrille; et al. (Journal Of Clinical Oncology, 2021)