Alves Barbosa, O., Guimarães Andrade, T., de Almeida Sousa, M. D. and Correia, J. W. (2020) “COVID-19 in a Patient with Chronic Lymphocytic Leukaemia with Pseudohypoxemia”, European Journal of Case Reports in Internal Medicine, 7(7). doi: 10.12890/2020_001763.