Morel, Z. et al. 2022. Multisystemic inflammatory syndrome related to COVID-19, with latent tuberculosis in bone marrow, and satisfactory response to tocilizumab, in a 7-year-old boy. Reumatismo. 73, 4 (Feb. 2022). DOI:https://doi.org/10.4081/reumatismo.2021.1448.