Y.- hua Zhang, F. Xu, C.- qing Xu, Z.- tan Zhang, and Z.- jiu Jiao, “Effect of Daratumumab combined with Chemotherapy on Immune Function in Patients with Relapsed/Refractory Multiple Myeloma and Observation of its Clinical Efficacy”, Pak J Med Sci, vol. 39, no. 1, Dec. 2022.