COVID-19 Vaccine Experience: Loss of Humoral Response Following Autologous Stem Cell Transplantation in Multiple Myeloma Patients and Positive Effect of Booster Dose. - Markovic, Uros; Scalisi, Elvira; Giunta, Giuliana; Nardo, Antonella; Duminuco, Andrea; Parrinello, Nunziatina Laura; Marino, Sara; Iachelli, Valeria; Milone, Giulio Antonio; Scirè, Paola; Amato, Gabriella; Galbo, Federica; et al. (Journal of Clinical Medicine, 2025)