B-cell haematological malignancies and SARS-CoV-2 infection: Could immunological interventions influence the outcome? - Ochoa-Grullón J; Peña Cortijo A; Guevara-Hoyer K; Jiménez García C; de la Fuente E; de la Peña AR; Fernández-Arquero M; González Fernández A; Sánchez-Ramón S (EJHaem, 2021)