Ölmez, H.; Tosun, M.; Ünver, E.; Arslan Işık, N. COVID-19 Pneumonia With ARDS and Secondary Haemophagocytic Lymphohistiocytosis: A Case Report. Eur Res J 2021, 7 (5), 533-540. https://doi.org/10.18621/eurj.783155.