Plasmacytoma of head and neck as initial presentation of multiple myeloma

de Oliveira, R. J., Reis, F., Taneja, A. K., de Souza Queiroz, L., & de Araújo Zanardi, V. (2011). Plasmacytoma of head and neck as initial presentation of multiple myeloma. Arquivos de Neuro-Psiquiatria, 69(1), 139–140. https://doi.org/10.1590/s0004-282x2011000100025