Acquired hemophagocytic lymphohistiocytosis as initial manifestation of multiple myeloma A case report and literature review - Mendes, Fernanda Rodrigues; Sobral, Karine Marques; Culler, Hebert Fabricio; Couto, Samuel Campanelli Freitas; Pereira, Juliana; Rocha, Vanderson Geraldo; Martinez, Gracia Aparecida; Lage, Luis Alberto de Padua Covas (Medicine, 2020)