Gastrointestinal manifestations are associated with severe pediatric COVID-19: A study in tertiary hospital. Issue 1 (July 2021) - de Paula, Camila Sanson Yoshino; Palandri, Giovanna Gavros; Fonseca, Taiane Siraisi; Vendramini, Thaís Cristina Annibale; Farhat, Sylvia Costa Lima; Pereira, Maria Fernanda Badue; Litvinov, Nadia; Toma, Ricardo Katsuya; de Sá, Fernanda Viveiros Moreira; Rodrigues, Katharina Reichmann; Schvartsman, Cláudio; Forsait, Silvana; et al.