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 [Internet]. 2022 Feb. 7 [cited 2025 Aug. 23];73(4). Available from: https://www.reumatismo.org/reuma/article/view/1448