Effect of vitamin D3 on antiphospholipid antibodies in hospitalized patients with moderate to severe COVID-19 Lucas P. Sales; Lucas V.B. Souza; Alan L. Fernandes; Igor H. Murai; Mayara D. Santos; Margarete B.G. Vendramini; Ricardo M. Oliveira; Camille P. Figueiredo; Valéria F. Caparbo; Bruno Gualano; Rosa M.R. Pereira;

Association of heart rate variability with cardiorespiratory fitness and muscle strength in patients after hospitalization for COVID-19: An analytical cross-sectional study Daniele Ferreira Rodrigues; Victor Ribeiro Neves; Ulisses Ramos Montarroyos; Washington José dos Santos; Isabelle Carolline Verissimo de Farias; Dário Celestino Sobral Filho;

Effectiveness of the antiviral medications azvudine and nirmatrelvir-ritonavir in treating COVID-19 in patients with hematological malignancies Zheng Zeng; Fangyuan Li; Mingli Zhong; Ling Zhu; Wei Chen; Xiaotao Wang;