COVID-19 surveillance in a bone marrow transplantation unit: experience from a Brazilian tertiary-care teaching hospital - Randi, Bruno A; Guimaraes, Thais; Spadao, Fernanda de S; Higashino, Hermes R; Lazari, Carolina dos S; Xavier, Erick M; Rocha, Vanderson Geraldo; Costa, Sílvia Figueiredo (Supportive care in cancer, 2024)