Clinical Significance of Serum Protein Electrophoresis in Rapid Progression of Multiple Myeloma: A Case Report. - Iannelli, Silvia; Scarcella, Melania; Cusano, Antonella; Feleppa, Federica; Pancione, Ylenia; Pavone, Luigi Michele; Cocchiaro, Pasquale (Clinics & Practice, 2026)