Aggressive Central Nervous System Relapse after Autologous Stem Cell Transplant in Multiple Myeloma: Case Reports and Literature Review. - Bergantim, Rui; Bastos, Juliana; Soares, Maria José; Carvalho, Bruno; Soares, Pedro; Marques, Cristina; Costa, Jennifer; Guimarães, José Eduardo; Trigo, Fernanda (Case Reports in Hematology, 2020)