Silva, Miguel, Joana Martins, João Pinto, and Teresina Amaro. 2021. “Non-Secretory Multiple Myeloma With Patchy Marrow Involvement and Aberrant Cytokeratin Expression”. Acta Médica Portuguesa 34 (11). Lisbon, Portugal:778-81. https://doi.org/10.20344/amp.13235.