Fig. 1
Flow chart showing selection of patients. COVID19, corona virus disease 2019; ICU intensive care unit; ARDS, acute respiratory distress syndrome; IVIG, intraveneous immunoglobulin
Fig. 1 | BMC Pulmonary Medicine
Flow chart showing selection of patients. COVID19, corona virus disease 2019; ICU intensive care unit; ARDS, acute respiratory distress syndrome; IVIG, intraveneous immunoglobulin