Yan X, Xu XS, Weisel KC, Mateos MV, Sonneveld P, Dimopoulos MA, Usmani SZ, Bahlis NJ, Puchalski T, Ukropec J, Bellew K, Ming Q, Sun S, Zhou H. Early M-Protein Dynamics Predicts Progression-Free Survival in Patients With Relapsed/Refractory Multiple Myeloma. Clin Transl Sci. 2020 11; 13(6):1345-1354.