Severe Acute Respiratory Syndrome Coronavirus-2 Pandemia: Facts and Perspectives in a Bone Marrow Transplant Unit - Michele Malagola; Nicola Polverelli; Lisa Gandolfi; Tatiana Zollner; Simona Bernardi; Simona Bernardi; Camilla Zanaglio; Camilla Zanaglio; Federica Re; Federica Re; Enrico Morello; Alessandro Turra; et al. (Frontiers in Oncology, 2020)