Melflufen and Dexamethasone in Heavily Pretreated Relapsed and Refractory Multiple Myeloma - Richardson PG, Oriol A, Larocca A, Bladé J, Cavo M, Rodriguez-Otero P, Leleu X, Nadeem O, Hiemenz JW, Hassoun H, Touzeau C, Alegre A, Paner A, Maisel C, Mazumder A, Raptis A, Moreb JS, Anderson KC, Laubach JP, Thuresson S, Thuresson M, Byrne C, Harmenberg J, Bakker NA, Mateos MV, HORIZON (OP-106) Investigators (Journal Of Clinical Oncology, 2021)