Alexandre, José Carlos, Miguel R. S. Jorge Silva, Edite R. da Costa, Maria do Céu Correia, Chantal Albuquerque, Maria Augusta Cipriano, and Pedro Henriques. 2000. “Light Chain Disease”. Portuguese Journal Internal Medicine 7 (3). Lisboa, Portugal:156-58. https://revista.spmi.pt/index.php/rpmi/article/view/1996.